313321231233 has 6 divisors (see below), whose sum is σ = 452575111794. Its totient is φ = 208880820816.

The previous prime is 313321231217. The next prime is 313321231357. The reversal of 313321231233 is 332132123313.

313321231233 is a `hidden beast` number, since 3 + 1 + 332 + 12 + 312 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 276921170289 + 36400060944 = 526233^2 + 190788^2 .

It is not a de Polignac number, because 313321231233 - 2⁴ = 313321231217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313321231197 and 313321231206.

It is not an unprimeable number, because it can be changed into a prime (313321231633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17406735060 + ... + 17406735077.

It is an arithmetic number, because the mean of its divisors is an integer number (75429185299).

Almost surely, 2^313321231233 is an apocalyptic number.

It is an amenable number.

313321231233 is a deficient number, since it is larger than the sum of its proper divisors (139253880561).

313321231233 is a wasteful number, since it uses less digits than its factorization.

313321231233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34813470143 (or 34813470140 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 313321231233 its reverse (332132123313), we get a palindrome (645453354546).

The spelling of 313321231233 in words is "three hundred thirteen billion, three hundred twenty-one million, two hundred thirty-one thousand, two hundred thirty-three".