313504703513 has 4 divisors (see below), whose sum is σ = 313842169140. Its totient is φ = 313167237888.

The previous prime is 313504703489. The next prime is 313504703521. The reversal of 313504703513 is 315307405313.

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 161838853264 + 151665850249 = 402292^2 + 389443^2 .

It is a cyclic number.

It is not a de Polignac number, because 313504703513 - 2²⁶ = 313437594649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313504703563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168731420 + ... + 168733277.

It is an arithmetic number, because the mean of its divisors is an integer number (78460542285).

Almost surely, 2^313504703513 is an apocalyptic number.

It is an amenable number.

313504703513 is a deficient number, since it is larger than the sum of its proper divisors (337465627).

313504703513 is an equidigital number, since it uses as much as digits as its factorization.

313504703513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337465626.

The product of its (nonzero) digits is 56700, while the sum is 35.

The spelling of 313504703513 in words is "three hundred thirteen billion, five hundred four million, seven hundred three thousand, five hundred thirteen".