331213100312 has 16 divisors (see below), whose sum is σ = 621087714360. Its totient is φ = 165589709824.

The previous prime is 331213100219. The next prime is 331213100321. The reversal of 331213100312 is 213001312133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2021258 + ... + 2178969.

Almost surely, 2^331213100312 is an apocalyptic number.

It is an amenable number.

331213100312 is a deficient number, since it is larger than the sum of its proper divisors (289874614048).

331213100312 is a wasteful number, since it uses less digits than its factorization.

331213100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210090 (or 4210086 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 331213100312 its reverse (213001312133), we get a palindrome (544214412445).

The spelling of 331213100312 in words is "three hundred thirty-one billion, two hundred thirteen million, one hundred thousand, three hundred twelve".