315522563220313 has 16 divisors (see below), whose sum is σ = 318900728960064. Its totient is φ = 312152597344000.

The previous prime is 315522563220307. The next prime is 315522563220323. The reversal of 315522563220313 is 313022365225513.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315522563220313 is a prime.

It is a super-2 number, since 2×315522563220313² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315522563220313.

It is not an unprimeable number, because it can be changed into a prime (315522563220323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269034438 + ... + 270204688.

It is an arithmetic number, because the mean of its divisors is an integer number (19931295560004).

Almost surely, 2^{315522563220313} is an apocalyptic number.

It is an amenable number.

315522563220313 is a deficient number, since it is larger than the sum of its proper divisors (3378165739751).

315522563220313 is a wasteful number, since it uses less digits than its factorization.

315522563220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173752.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 315522563220313 in words is "three hundred fifteen trillion, five hundred twenty-two billion, five hundred sixty-three million, two hundred twenty thousand, three hundred thirteen".