313351513 has 2 divisors, whose sum is σ = 313351514. Its totient is φ = 313351512.

The previous prime is 313351459. The next prime is 313351547. The reversal of 313351513 is 315153313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280998169 + 32353344 = 16763^2 + 5688^2 .

It is a cyclic number.

It is not a de Polignac number, because 313351513 - 2¹⁷ = 313220441 is a prime.

It is not a weakly prime, because it can be changed into another prime (313355513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156675756 + 156675757.

It is an arithmetic number, because the mean of its divisors is an integer number (156675757).

Almost surely, 2^313351513 is an apocalyptic number.

It is an amenable number.

313351513 is a deficient number, since it is larger than the sum of its proper divisors (1).

313351513 is an equidigital number, since it uses as much as digits as its factorization.

313351513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2025, while the sum is 25.

The square root of 313351513 is about 17701.7375700805. The cubic root of 313351513 is about 679.2202083341.

The spelling of 313351513 in words is "three hundred thirteen million, three hundred fifty-one thousand, five hundred thirteen".