331404113212 has 48 divisors (see below), whose sum is σ = 621043920000. Its totient is φ = 154266634944.

The previous prime is 331404113147. The next prime is 331404113237. The reversal of 331404113212 is 212311404133.

It is a super-2 number, since 2×331404113212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14817414 + ... + 14839762.

It is an arithmetic number, because the mean of its divisors is an integer number (12938415000).

Almost surely, 2^331404113212 is an apocalyptic number.

It is an amenable number.

331404113212 is a deficient number, since it is larger than the sum of its proper divisors (289639806788).

331404113212 is a wasteful number, since it uses less digits than its factorization.

331404113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25738 (or 25736 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 331404113212 its reverse (212311404133), we get a palindrome (543715517345).

The spelling of 331404113212 in words is "three hundred thirty-one billion, four hundred four million, one hundred thirteen thousand, two hundred twelve".