313147039 has 2 divisors, whose sum is σ = 313147040. Its totient is φ = 313147038.

The previous prime is 313147031. The next prime is 313147049. The reversal of 313147039 is 930741313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313147039 - 2³ = 313147031 is a prime.

It is a super-2 number, since 2×313147039² = 196122136068935042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313147039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313147031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156573519 + 156573520.

It is an arithmetic number, because the mean of its divisors is an integer number (156573520).

Almost surely, 2^313147039 is an apocalyptic number.

313147039 is a deficient number, since it is larger than the sum of its proper divisors (1).

313147039 is an equidigital number, since it uses as much as digits as its factorization.

313147039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 313147039 is about 17695.9610928596. The cubic root of 313147039 is about 679.0724370220.

The spelling of 313147039 in words is "three hundred thirteen million, one hundred forty-seven thousand, thirty-nine".