231,121 in words
231,121
two hundred thirty-one thousand one hundred twenty-one
231,121 is written two hundred thirty-one thousand one hundred twenty-one.
Ways to write it
- As an ordinal
- two hundred thirty-one thousand one hundred twenty-first
- Expanded form
- 200,000 + 30,000 + 1,000 + 100 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 2 | 200,000 |
| ten thousands | 3 | 30,000 |
| thousands | 1 | 1,000 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 11, 21,011 and 231,121 (4 factors)
- First 10 multiples
- 231,121, 462,242, 693,363, 924,484, 1,155,605, 1,386,726, 1,617,847, 1,848,968, 2,080,089, 2,311,210
- Square
- 231,121 × 231,121 = 53,416,916,641
- Square root
- ≈ 480.75
- Sum of the digits
- 2 + 3 + 1 + 1 + 2 + 1 = 10
- Rounded to the nearest 10
- 231,120
- Rounded to the nearest 100
- 231,100
- Rounded to the nearest 1000
- 231,000
- Number before
- 231,120
- Number after
- 231,122
- In binary
111000011011010001
Quick check
What number comes just after 231,121?
Show the answer
231,122
Is 231,121 even or odd?
Show the answer
Odd
What is 231,121 + 10?
Show the answer
231,131
Practice 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 231,121 in words?
231,121 is written "two hundred thirty-one thousand one hundred twenty-one".
Is 231,121 a prime number?
No. 231,121 is a composite number, because it has more than two factors.
What are the factors of 231,121?
The factors of 231,121 are 1, 11, 21,011 and 231,121.