1,331 in words
1,331
one thousand three hundred thirty-one
1,331 is written one thousand three hundred thirty-one.
Ways to write it
- As an ordinal
- one thousand three hundred thirty-first
- Roman numeral
- MCCCXXXI
- Expanded form
- 1,000 + 300 + 30 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 1 | 1,000 |
| hundreds | 3 | 300 |
| tens | 3 | 30 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 11, 121 and 1,331 (4 factors)
- First 10 multiples
- 1,331, 2,662, 3,993, 5,324, 6,655, 7,986, 9,317, 10,648, 11,979, 13,310
- Square
- 1,331 × 1,331 = 1,771,561
- Square root
- ≈ 36.48
- Cube root
- 11
- Sum of the digits
- 1 + 3 + 3 + 1 = 8
- Rounded to the nearest 10
- 1,330
- Rounded to the nearest 100
- 1,300
- Rounded to the nearest 1000
- 1,000
- Number before
- 1,330
- Number after
- 1,332
- In binary
10100110011
Quick check
What number comes just after 1,331?
Show the answer
1,332
Is 1,331 even or odd?
Show the answer
Odd
What is 1,331 + 10?
Show the answer
1,341
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 1,331 in words?
1,331 is written "one thousand three hundred thirty-one".
Is 1,331 a prime number?
No. 1,331 is a composite number, because it has more than two factors.
What are the factors of 1,331?
The factors of 1,331 are 1, 11, 121 and 1,331.
How do you write 1,331 in Roman numerals?
1,331 in Roman numerals is MCCCXXXI.