Number 331
The number 331 is the 67th prime number. It has 2 divisors and a digital root of 7. Explore its full properties below, or find words and phrases with a gematria value of 331.
331
Divisors: 2
1, 331
Sum: 332
Prev Prime: 317
67th Prime Number
Next Prime: 337
Mathematical Properties
Golden Numbern/a
Reduced Digit Sum7
Magic Constant18,132,511
Digital Root7
Octal217(513)
Duodecimal469(237)
Hexadecimal817(14b)
Binary101001011
331st Values
Prime2,221
Triangular54,946
Square109,561
Star655,381
Pentagonal164,176
Cube36,264,691
Tetrahedral6,099,006
Square Pyramidal12,143,066
Fibonaccin/a
Harshad1,530
Happy Number2,254