313217315 has 8 divisors (see below), whose sum is σ = 376401168. Its totient is φ = 250213600.

The previous prime is 313217309. The next prime is 313217323. The reversal of 313217315 is 513712313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313217315 - 2¹⁰ = 313216291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41177 + ... + 48186.

It is an arithmetic number, because the mean of its divisors is an integer number (47050146).

Almost surely, 2^313217315 is an apocalyptic number.

313217315 is a deficient number, since it is larger than the sum of its proper divisors (63183853).

313217315 is an equidigital number, since it uses as much as digits as its factorization.

313217315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90069.

The product of its digits is 1890, while the sum is 26.

The square root of 313217315 is about 17697.9466323074. The cubic root of 313217315 is about 679.1232320365.

Adding to 313217315 its reverse (513712313), we get a palindrome (826929628).

The spelling of 313217315 in words is "three hundred thirteen million, two hundred seventeen thousand, three hundred fifteen".