313211320131312 has 30 divisors (see below), whose sum is σ = 876556680645672. Its totient is φ = 104403773377056.

The previous prime is 313211320131299. The next prime is 313211320131341. The reversal of 313211320131312 is 213131023112313.

313211320131312 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 11 + 320 + 1 + 313 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1087539305868 + ... + 1087539306155.

Almost surely, 2^{313211320131312} is an apocalyptic number.

It is an amenable number.

313211320131312 is an abundant number, since it is smaller than the sum of its proper divisors (563345360514360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313211320131312 is a wasteful number, since it uses less digits than its factorization.

313211320131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175078612037 (or 2175078612028 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 313211320131312 its reverse (213131023112313), we get a palindrome (526342343243625).

The spelling of 313211320131312 in words is "three hundred thirteen trillion, two hundred eleven billion, three hundred twenty million, one hundred thirty-one thousand, three hundred twelve".