316356483521 has 16 divisors (see below), whose sum is σ = 366645939408. Its totient is φ = 270337996800.

The previous prime is 316356483467. The next prime is 316356483529. The reversal of 316356483521 is 125384653613.

It can be written as a sum of positive squares in 8 ways, for example, as 106578743296 + 209777740225 = 326464^2 + 458015^2 .

It is a cyclic number.

It is not a de Polignac number, because 316356483521 - 2²² = 316352289217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316356483529) 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, 11719940 + ... + 11746901.

It is an arithmetic number, because the mean of its divisors is an integer number (22915371213).

Almost surely, 2^316356483521 is an apocalyptic number.

It is an amenable number.

316356483521 is a deficient number, since it is larger than the sum of its proper divisors (50289455887).

316356483521 is a wasteful number, since it uses less digits than its factorization.

316356483521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23466932.

The product of its digits is 1555200, while the sum is 47.

It can be divided in two parts, 31635 and 6483521, that added together give a palindrome (6515156).

The spelling of 316356483521 in words is "three hundred sixteen billion, three hundred fifty-six million, four hundred eighty-three thousand, five hundred twenty-one".