231,009 in words
231,009
two hundred thirty-one thousand nine
231,009 is written two hundred thirty-one thousand nine.
Ways to write it
- As an ordinal
- two hundred thirty-one thousand ninth
- Expanded form
- 200,000 + 30,000 + 1,000 + 9
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 2 | 200,000 |
| ten thousands | 3 | 30,000 |
| thousands | 1 | 1,000 |
| hundreds | 0 | 0 |
| tens | 0 | 0 |
| ones | 9 | 9 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 77,003 and 231,009 (4 factors)
- First 10 multiples
- 231,009, 462,018, 693,027, 924,036, 1,155,045, 1,386,054, 1,617,063, 1,848,072, 2,079,081, 2,310,090
- Square
- 231,009 × 231,009 = 53,365,158,081
- Square root
- ≈ 480.63
- Sum of the digits
- 2 + 3 + 1 + 0 + 0 + 9 = 15
- Rounded to the nearest 10
- 231,010
- Rounded to the nearest 100
- 231,000
- Rounded to the nearest 1000
- 231,000
- Number before
- 231,008
- Number after
- 231,010
- In binary
111000011001100001
Quick check
What number comes just after 231,009?
Show the answer
231,010
Is 231,009 even or odd?
Show the answer
Odd
What is 231,009 + 10?
Show the answer
231,019
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 231,009 in words?
231,009 is written "two hundred thirty-one thousand nine".
Is 231,009 a prime number?
No. 231,009 is a composite number, because it has more than two factors.
What are the factors of 231,009?
The factors of 231,009 are 1, 3, 77,003 and 231,009.