31,442 in words
31,442
thirty-one thousand four hundred and forty-two
31,442 is written thirty-one thousand four hundred and forty-two.
Ways to write it
- As an ordinal
- thirty-one thousand four hundred and forty-second
- Expanded form
- 30,000 + 1,000 + 400 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 3 | 30,000 |
| thousands | 1 | 1,000 |
| hundreds | 4 | 400 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 79, 158, 199, 398, 15,721 and 31,442 (8 factors)
- First 10 multiples
- 31,442, 62,884, 94,326, 125,768, 157,210, 188,652, 220,094, 251,536, 282,978, 314,420
- Square
- 31,442 × 31,442 = 988,599,364
- Square root
- ≈ 177.32
- Sum of the digits
- 3 + 1 + 4 + 4 + 2 = 14
- Rounded to the nearest 10
- 31,440
- Rounded to the nearest 100
- 31,400
- Rounded to the nearest 1000
- 31,000
- Number before
- 31,441
- Number after
- 31,443
- In binary
111101011010010
Quick check
What number comes just after 31,442?
Show the answer
31,443
Is 31,442 even or odd?
Show the answer
Even
What is 31,442 + 10?
Show the answer
31,452
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 31,442 in words?
31,442 is written "thirty-one thousand four hundred and forty-two".
Is 31,442 a prime number?
No. 31,442 is a composite number, because it has more than two factors.
What are the factors of 31,442?
The factors of 31,442 are 1, 2, 79, 158, 199, 398, 15,721 and 31,442.