317315017 has 4 divisors (see below), whose sum is σ = 324694480. Its totient is φ = 309935556.

The previous prime is 317315003. The next prime is 317315021. The reversal of 317315017 is 710513713.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317315017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317315917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3689667 + ... + 3689752.

It is an arithmetic number, because the mean of its divisors is an integer number (81173620).

Almost surely, 2^317315017 is an apocalyptic number.

It is an amenable number.

317315017 is a deficient number, since it is larger than the sum of its proper divisors (7379463).

317315017 is an equidigital number, since it uses as much as digits as its factorization.

317315017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7379462.

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 317315017 is about 17813.3381767708. The cubic root of 317315017 is about 682.0719796579.

The spelling of 317315017 in words is "three hundred seventeen million, three hundred fifteen thousand, seventeen".