331113311320 has 32 divisors (see below), whose sum is σ = 812732674320. Its totient is φ = 120404840320.

The previous prime is 331113311237. The next prime is 331113311341. The reversal of 331113311320 is 23113311133.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 331113311291 and 331113311300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376264687 + ... + 376265566.

Almost surely, 2^331113311320 is an apocalyptic number.

It is an amenable number.

331113311320 is an abundant number, since it is smaller than the sum of its proper divisors (481619363000).

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

331113311320 is a wasteful number, since it uses less digits than its factorization.

331113311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752530275 (or 752530271 counting only the distinct ones).

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

Adding to 331113311320 its reverse (23113311133), we get a palindrome (354226622453).

The spelling of 331113311320 in words is "three hundred thirty-one billion, one hundred thirteen million, three hundred eleven thousand, three hundred twenty".