313832732688621 has 20 divisors (see below), whose sum is σ = 468910912249692. Its totient is φ = 209177616630528.

The previous prime is 313832732688539. The next prime is 313832732688637. The reversal of 313832732688621 is 126886237238313.

313832732688621 is a `hidden beast` number, since 3 + 1 + 3 + 8 + 3 + 273 + 268 + 86 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 124720426908900 + 189112305779721 = 11167830^2 + 13751811^2 .

It is not a de Polignac number, because 313832732688621 - 2¹⁰ = 313832732687597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313832732688821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 408921316 + ... + 409688061.

Almost surely, 2^{313832732688621} is an apocalyptic number.

It is an amenable number.

313832732688621 is a deficient number, since it is larger than the sum of its proper divisors (155078179561071).

313832732688621 is an equidigital number, since it uses as much as digits as its factorization.

313832732688621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818614122 (or 818614113 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 63.

The spelling of 313832732688621 in words is "three hundred thirteen trillion, eight hundred thirty-two billion, seven hundred thirty-two million, six hundred eighty-eight thousand, six hundred twenty-one".