331312012100 has 72 divisors (see below), whose sum is σ = 721241837568. Its totient is φ = 132102432000.

The previous prime is 331312012081. The next prime is 331312012151. The reversal of 331312012100 is 1210213133.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53288192 + ... + 53294408.

It is an arithmetic number, because the mean of its divisors is an integer number (10017247744).

Almost surely, 2^331312012100 is an apocalyptic number.

It is an amenable number.

331312012100 is an abundant number, since it is smaller than the sum of its proper divisors (389929825468).

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

331312012100 is a wasteful number, since it uses less digits than its factorization.

331312012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7845 (or 7838 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 331312012100 its reverse (1210213133), we get a palindrome (332522225233).

The spelling of 331312012100 in words is "three hundred thirty-one billion, three hundred twelve million, twelve thousand, one hundred".