313646313 has 8 divisors (see below), whose sum is σ = 431685376. Its totient is φ = 202352400.

The previous prime is 313646297. The next prime is 313646321.

313646313 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 313646313 - 2⁴ = 313646297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313646383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686178 + ... + 1686363.

It is an arithmetic number, because the mean of its divisors is an integer number (53960672).

Almost surely, 2^313646313 is an apocalyptic number.

It is an amenable number.

313646313 is a deficient number, since it is larger than the sum of its proper divisors (118039063).

313646313 is a wasteful number, since it uses less digits than its factorization.

313646313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372575.

The product of its digits is 11664, while the sum is 30.

The square root of 313646313 is about 17710.0624787153. The cubic root of 313646313 is about 679.4331442317.

The spelling of 313646313 in words is "three hundred thirteen million, six hundred forty-six thousand, three hundred thirteen".