331123113013 has 12 divisors (see below), whose sum is σ = 415956308320. Its totient is φ = 258018009480.

The previous prime is 331123112939. The next prime is 331123113037. The reversal of 331123113013 is 310311321133.

It is a de Polignac number, because none of the positive numbers 2^k-331123113013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331123116013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195467343 + ... + 195469036.

Almost surely, 2^331123113013 is an apocalyptic number.

It is an amenable number.

331123113013 is a deficient number, since it is larger than the sum of its proper divisors (84833195307).

331123113013 is a wasteful number, since it uses less digits than its factorization.

331123113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390936408 (or 390936397 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 331123113013 its reverse (310311321133), we get a palindrome (641434434146).

The spelling of 331123113013 in words is "three hundred thirty-one billion, one hundred twenty-three million, one hundred thirteen thousand, thirteen".