317261313 has 32 divisors (see below), whose sum is σ = 477705600. Its totient is φ = 208078848.

The previous prime is 317261311. The next prime is 317261323. The reversal of 317261313 is 313162713.

317261313 is a `hidden beast` number, since 31 + 7 + 2 + 613 + 13 = 666.

It is not a de Polignac number, because 317261313 - 2¹ = 317261311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (317261311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 557293 + ... + 557861.

It is an arithmetic number, because the mean of its divisors is an integer number (14928300).

Almost surely, 2^317261313 is an apocalyptic number.

It is an amenable number.

317261313 is a deficient number, since it is larger than the sum of its proper divisors (160444287).

317261313 is a wasteful number, since it uses less digits than its factorization.

317261313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 872 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 317261313 is about 17811.8307032152. The cubic root of 317261313 is about 682.0334983818.

The spelling of 317261313 in words is "three hundred seventeen million, two hundred sixty-one thousand, three hundred thirteen".