316508113 has 2 divisors, whose sum is σ = 316508114. Its totient is φ = 316508112.

The previous prime is 316508111. The next prime is 316508123. The reversal of 316508113 is 311805613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177102864 + 139405249 = 13308^2 + 11807^2 .

It is a cyclic number.

It is not a de Polignac number, because 316508113 - 2¹ = 316508111 is a prime.

Together with 316508111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (316508111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158254056 + 158254057.

It is an arithmetic number, because the mean of its divisors is an integer number (158254057).

Almost surely, 2^316508113 is an apocalyptic number.

It is an amenable number.

316508113 is a deficient number, since it is larger than the sum of its proper divisors (1).

316508113 is an equidigital number, since it uses as much as digits as its factorization.

316508113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 316508113 is about 17790.6748888287. The cubic root of 316508113 is about 681.4933393472.

The spelling of 316508113 in words is "three hundred sixteen million, five hundred eight thousand, one hundred thirteen".