2,231 in words
2,231
two thousand two hundred thirty-one
2,231 is written two thousand two hundred thirty-one.
Ways to write it
- As an ordinal
- two thousand two hundred thirty-first
- Roman numeral
- MMCCXXXI
- Expanded form
- 2,000 + 200 + 30 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 2 | 2,000 |
| hundreds | 2 | 200 |
| tens | 3 | 30 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 23, 97 and 2,231 (4 factors)
- First 10 multiples
- 2,231, 4,462, 6,693, 8,924, 11,155, 13,386, 15,617, 17,848, 20,079, 22,310
- Square
- 2,231 × 2,231 = 4,977,361
- Square root
- ≈ 47.23
- Sum of the digits
- 2 + 2 + 3 + 1 = 8
- Rounded to the nearest 10
- 2,230
- Rounded to the nearest 100
- 2,200
- Rounded to the nearest 1000
- 2,000
- Number before
- 2,230
- Number after
- 2,232
- In binary
100010110111
Quick check
What number comes just after 2,231?
Show the answer
2,232
Is 2,231 even or odd?
Show the answer
Odd
What is 2,231 + 10?
Show the answer
2,241
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Roman Numerals
Read and write Roman numerals from I to 3,999.Frequently asked questions
How do you write 2,231 in words?
2,231 is written "two thousand two hundred thirty-one".
Is 2,231 a prime number?
No. 2,231 is a composite number, because it has more than two factors.
What are the factors of 2,231?
The factors of 2,231 are 1, 23, 97 and 2,231.
How do you write 2,231 in Roman numerals?
2,231 in Roman numerals is MMCCXXXI.