313157417 has 2 divisors, whose sum is σ = 313157418. Its totient is φ = 313157416.

The previous prime is 313157401. The next prime is 313157441. The reversal of 313157417 is 714751313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237745561 + 75411856 = 15419^2 + 8684^2 .

It is a cyclic number.

It is not a de Polignac number, because 313157417 - 2⁴ = 313157401 is a prime.

It is a super-2 number, since 2×313157417² = 196135135644223778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313154417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156578708 + 156578709.

It is an arithmetic number, because the mean of its divisors is an integer number (156578709).

Almost surely, 2^313157417 is an apocalyptic number.

It is an amenable number.

313157417 is a deficient number, since it is larger than the sum of its proper divisors (1).

313157417 is an equidigital number, since it uses as much as digits as its factorization.

313157417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 32.

The square root of 313157417 is about 17696.2543211833. The cubic root of 313157417 is about 679.0799386480.

The spelling of 313157417 in words is "three hundred thirteen million, one hundred fifty-seven thousand, four hundred seventeen".