313696513 has 8 divisors (see below), whose sum is σ = 339145128. Its totient is φ = 288436224.

The previous prime is 313696511. The next prime is 313696547. The reversal of 313696513 is 315696313.

It can be written as a sum of positive squares in 4 ways, for example, as 17581249 + 296115264 = 4193^2 + 17208^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 313696513 - 2¹ = 313696511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313696511) 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, 43606 + ... + 50287.

It is an arithmetic number, because the mean of its divisors is an integer number (42393141).

Almost surely, 2^313696513 is an apocalyptic number.

It is an amenable number.

313696513 is a deficient number, since it is larger than the sum of its proper divisors (25448615).

313696513 is a wasteful number, since it uses less digits than its factorization.

313696513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94163.

The product of its digits is 43740, while the sum is 37.

The square root of 313696513 is about 17711.4796953840. The cubic root of 313696513 is about 679.4693907116.

The spelling of 313696513 in words is "three hundred thirteen million, six hundred ninety-six thousand, five hundred thirteen".