313231327 has 2 divisors, whose sum is σ = 313231328. Its totient is φ = 313231326.

The previous prime is 313231301. The next prime is 313231337. The reversal of 313231327 is 723132313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313231327 - 2¹⁵ = 313198559 is a prime.

It is a super-2 number, since 2×313231327² = 196227728428361858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313231337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156615663 + 156615664.

It is an arithmetic number, because the mean of its divisors is an integer number (156615664).

Almost surely, 2^313231327 is an apocalyptic number.

313231327 is a deficient number, since it is larger than the sum of its proper divisors (1).

313231327 is an equidigital number, since it uses as much as digits as its factorization.

313231327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 25.

The square root of 313231327 is about 17698.3424930133. The cubic root of 313231327 is about 679.1333589062.

The spelling of 313231327 in words is "three hundred thirteen million, two hundred thirty-one thousand, three hundred twenty-seven".