331213001312 has 24 divisors (see below), whose sum is σ = 654554987856. Its totient is φ = 164976813952.

The previous prime is 331213001261. The next prime is 331213001341. The reversal of 331213001312 is 213100312133.

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, 19669163 + ... + 19685994.

It is an arithmetic number, because the mean of its divisors is an integer number (27273124494).

Almost surely, 2^331213001312 is an apocalyptic number.

331213001312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331213001312 is a deficient number, since it is larger than the sum of its proper divisors (323341986544).

331213001312 is a wasteful number, since it uses less digits than its factorization.

331213001312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39355430 (or 39355422 counting only the distinct ones).

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

Adding to 331213001312 its reverse (213100312133), we get a palindrome (544313313445).

The spelling of 331213001312 in words is "three hundred thirty-one billion, two hundred thirteen million, one thousand, three hundred twelve".