231,491 in words
231,491
two hundred thirty-one thousand four hundred ninety-one
231,491 is written two hundred thirty-one thousand four hundred ninety-one.
Ways to write it
- As an ordinal
- two hundred thirty-one thousand four hundred ninety-first
- Expanded form
- 200,000 + 30,000 + 1,000 + 400 + 90 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 2 | 200,000 |
| ten thousands | 3 | 30,000 |
| thousands | 1 | 1,000 |
| hundreds | 4 | 400 |
| tens | 9 | 90 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 13, 17,807 and 231,491 (4 factors)
- First 10 multiples
- 231,491, 462,982, 694,473, 925,964, 1,157,455, 1,388,946, 1,620,437, 1,851,928, 2,083,419, 2,314,910
- Square
- 231,491 × 231,491 = 53,588,083,081
- Square root
- ≈ 481.14
- Sum of the digits
- 2 + 3 + 1 + 4 + 9 + 1 = 20
- Rounded to the nearest 10
- 231,490
- Rounded to the nearest 100
- 231,500
- Rounded to the nearest 1000
- 231,000
- Number before
- 231,490
- Number after
- 231,492
- In binary
111000100001000011
Quick check
What number comes just after 231,491?
Show the answer
231,492
Is 231,491 even or odd?
Show the answer
Odd
What is 231,491 + 10?
Show the answer
231,501
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 231,491 in words?
231,491 is written "two hundred thirty-one thousand four hundred ninety-one".
Is 231,491 a prime number?
No. 231,491 is a composite number, because it has more than two factors.
What are the factors of 231,491?
The factors of 231,491 are 1, 13, 17,807 and 231,491.