231,240 in words
231,240
two hundred thirty-one thousand two hundred forty
231,240 is written two hundred thirty-one thousand two hundred forty.
Ways to write it
- As an ordinal
- two hundred thirty-one thousand two hundred fortieth
- Expanded form
- 200,000 + 30,000 + 1,000 + 200 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 2 | 200,000 |
| ten thousands | 3 | 30,000 |
| thousands | 1 | 1,000 |
| hundreds | 2 | 200 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 64 factors: too many to list
- First 10 multiples
- 231,240, 462,480, 693,720, 924,960, 1,156,200, 1,387,440, 1,618,680, 1,849,920, 2,081,160, 2,312,400
- Square
- 231,240 × 231,240 = 53,471,937,600
- Square root
- ≈ 480.87
- Sum of the digits
- 2 + 3 + 1 + 2 + 4 + 0 = 12
- Rounded to the nearest 10
- 231,240
- Rounded to the nearest 100
- 231,200
- Rounded to the nearest 1000
- 231,000
- Number before
- 231,239
- Number after
- 231,241
- In binary
111000011101001000
Quick check
What number comes just after 231,240?
Show the answer
231,241
Is 231,240 even or odd?
Show the answer
Even
What is 231,240 + 10?
Show the answer
231,250
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 231,240 in words?
231,240 is written "two hundred thirty-one thousand two hundred forty".
Is 231,240 a prime number?
No. 231,240 is a composite number, because it has more than two factors.