313104139 has 2 divisors, whose sum is σ = 313104140. Its totient is φ = 313104138.

The previous prime is 313104133. The next prime is 313104157. The reversal of 313104139 is 931401313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313104139 - 2³ = 313104131 is a prime.

It is not a weakly prime, because it can be changed into another prime (313104131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156552069 + 156552070.

It is an arithmetic number, because the mean of its divisors is an integer number (156552070).

Almost surely, 2^313104139 is an apocalyptic number.

313104139 is a deficient number, since it is larger than the sum of its proper divisors (1).

313104139 is an equidigital number, since it uses as much as digits as its factorization.

313104139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 313104139 is about 17694.7489103406. The cubic root of 313104139 is about 679.0414254584.

The spelling of 313104139 in words is "three hundred thirteen million, one hundred four thousand, one hundred thirty-nine".