313137079 has 2 divisors, whose sum is σ = 313137080. Its totient is φ = 313137078.

The previous prime is 313137073. The next prime is 313137089. The reversal of 313137079 is 970731313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313137079 - 2⁹ = 313136567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313137073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156568539 + 156568540.

It is an arithmetic number, because the mean of its divisors is an integer number (156568540).

Almost surely, 2^313137079 is an apocalyptic number.

313137079 is a deficient number, since it is larger than the sum of its proper divisors (1).

313137079 is an equidigital number, since it uses as much as digits as its factorization.

313137079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 34.

The square root of 313137079 is about 17695.6796704732. The cubic root of 313137079 is about 679.0652373870.

The spelling of 313137079 in words is "three hundred thirteen million, one hundred thirty-seven thousand, seventy-nine".