331231032412 has 18 divisors (see below), whose sum is σ = 674291744952. Its totient is φ = 141956156664.

The previous prime is 331231032397. The next prime is 331231032421. The reversal of 331231032412 is 214230132133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 844976928 + ... + 844977319.

Almost surely, 2^331231032412 is an apocalyptic number.

It is an amenable number.

331231032412 is an abundant number, since it is smaller than the sum of its proper divisors (343060712540).

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

331231032412 is a wasteful number, since it uses less digits than its factorization.

331231032412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689954265 (or 1689954256 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 331231032412 its reverse (214230132133), we get a palindrome (545461164545).

The spelling of 331231032412 in words is "three hundred thirty-one billion, two hundred thirty-one million, thirty-two thousand, four hundred twelve".