313312021032231 has 48 divisors (see below), whose sum is σ = 504312007399200. Its totient is φ = 186207509892096.

The previous prime is 313312021032209. The next prime is 313312021032251. The reversal of 313312021032231 is 132230120213313.

313312021032231 is a `hidden beast` number, since 3 + 1 + 3 + 3 + 120 + 210 + 322 + 3 + 1 = 666.

It is not a de Polignac number, because 313312021032231 - 2²⁷ = 313311886814503 is a prime.

It is a super-2 number, since 2×313312021032231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313312021032195 and 313312021032204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313312021032251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 349419046 + ... + 350314563.

It is an arithmetic number, because the mean of its divisors is an integer number (10506500154150).

Almost surely, 2^{313312021032231} is an apocalyptic number.

313312021032231 is a deficient number, since it is larger than the sum of its proper divisors (190999986366969).

313312021032231 is a wasteful number, since it uses less digits than its factorization.

313312021032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699733760 (or 699733757 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 313312021032231 its reverse (132230120213313), we get a palindrome (445542141245544).

The spelling of 313312021032231 in words is "three hundred thirteen trillion, three hundred twelve billion, twenty-one million, thirty-two thousand, two hundred thirty-one".