31,000 in words
31,000
thirty-one thousand
31,000 is written thirty-one thousand.
Ways to write it
- As an ordinal
- thirty-one thousandth
- Expanded form
- 30,000 + 1,000
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 3 | 30,000 |
| thousands | 1 | 1,000 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 775, 1,000, 1,240, 1,550, 3,100, 3,875, 6,200, 7,750, 15,500 and 31,000 (32 factors)
- First 10 multiples
- 31,000, 62,000, 93,000, 124,000, 155,000, 186,000, 217,000, 248,000, 279,000, 310,000
- Square
- 31,000 × 31,000 = 961,000,000
- Square root
- ≈ 176.07
- Sum of the digits
- 3 + 1 + 0 + 0 + 0 = 4
- Rounded to the nearest 10
- 31,000
- Rounded to the nearest 100
- 31,000
- Rounded to the nearest 1000
- 31,000
- Number before
- 30,999
- Number after
- 31,001
- In binary
111100100011000
Quick check
What number comes just after 31,000?
Show the answer
31,001
Is 31,000 even or odd?
Show the answer
Even
What is 31,000 + 10?
Show the answer
31,010
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 31,000 in words?
31,000 is written "thirty-one thousand".
Is 31,000 a prime number?
No. 31,000 is a composite number, because it has more than two factors.
What are the factors of 31,000?
The factors of 31,000 are 1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 775, 1,000, 1,240, 1,550, 3,100, 3,875, 6,200, 7,750, 15,500 and 31,000.