313155607 has 2 divisors, whose sum is σ = 313155608. Its totient is φ = 313155606.

The previous prime is 313155599. The next prime is 313155611. The reversal of 313155607 is 706551313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313155607 - 2³ = 313155599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313155617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156577803 + 156577804.

It is an arithmetic number, because the mean of its divisors is an integer number (156577804).

Almost surely, 2^313155607 is an apocalyptic number.

313155607 is a deficient number, since it is larger than the sum of its proper divisors (1).

313155607 is an equidigital number, since it uses as much as digits as its factorization.

313155607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 313155607 is about 17696.2031803435. The cubic root of 313155607 is about 679.0786303209.

The spelling of 313155607 in words is "three hundred thirteen million, one hundred fifty-five thousand, six hundred seven".