317616500345 has 4 divisors (see below), whose sum is σ = 381139800420. Its totient is φ = 254093200272.

The previous prime is 317616500317. The next prime is 317616500359. The reversal of 317616500345 is 543005616713.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 238664492089 + 78952008256 = 488533^2 + 280984^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317616500345 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31761650030 + ... + 31761650039.

It is an arithmetic number, because the mean of its divisors is an integer number (95284950105).

Almost surely, 2^317616500345 is an apocalyptic number.

It is an amenable number.

317616500345 is a deficient number, since it is larger than the sum of its proper divisors (63523300075).

317616500345 is an equidigital number, since it uses as much as digits as its factorization.

317616500345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63523300074.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 317616500345 in words is "three hundred seventeen billion, six hundred sixteen million, five hundred thousand, three hundred forty-five".