317091057 has 16 divisors (see below), whose sum is σ = 445992960. Its totient is φ = 199839312.

The previous prime is 317091053. The next prime is 317091067. The reversal of 317091057 is 750190713.

It is not a de Polignac number, because 317091057 - 2² = 317091053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (317091053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22048 + ... + 33470.

It is an arithmetic number, because the mean of its divisors is an integer number (27874560).

Almost surely, 2^317091057 is an apocalyptic number.

It is an amenable number.

317091057 is a deficient number, since it is larger than the sum of its proper divisors (128901903).

317091057 is a wasteful number, since it uses less digits than its factorization.

317091057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11932.

The product of its (nonzero) digits is 6615, while the sum is 33.

The square root of 317091057 is about 17807.0507664801. The cubic root of 317091057 is about 681.9114737621.

The spelling of 317091057 in words is "three hundred seventeen million, ninety-one thousand, fifty-seven".