31,420 in words
31,420
thirty-one thousand four hundred twenty
31,420 is written thirty-one thousand four hundred twenty.
Ways to write it
- As an ordinal
- thirty-one thousand four hundred twentieth
- Expanded form
- 30,000 + 1,000 + 400 + 20
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 3 | 30,000 |
| thousands | 1 | 1,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 5, 10, 20, 1,571, 3,142, 6,284, 7,855, 15,710 and 31,420 (12 factors)
- First 10 multiples
- 31,420, 62,840, 94,260, 125,680, 157,100, 188,520, 219,940, 251,360, 282,780, 314,200
- Square
- 31,420 × 31,420 = 987,216,400
- Square root
- ≈ 177.26
- Sum of the digits
- 3 + 1 + 4 + 2 + 0 = 10
- Rounded to the nearest 10
- 31,420
- Rounded to the nearest 100
- 31,400
- Rounded to the nearest 1000
- 31,000
- Number before
- 31,419
- Number after
- 31,421
- In binary
111101010111100
Quick check
What number comes just after 31,420?
Show the answer
31,421
Is 31,420 even or odd?
Show the answer
Even
What is 31,420 + 10?
Show the answer
31,430
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 31,420 in words?
31,420 is written "thirty-one thousand four hundred twenty".
Is 31,420 a prime number?
No. 31,420 is a composite number, because it has more than two factors.
What are the factors of 31,420?
The factors of 31,420 are 1, 2, 4, 5, 10, 20, 1,571, 3,142, 6,284, 7,855, 15,710 and 31,420.