331138882768 has 40 divisors (see below), whose sum is σ = 656302065408. Its totient is φ = 161782111872.

The previous prime is 331138882757. The next prime is 331138882771. The reversal of 331138882768 is 867288831133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101805 + ... + 820147.

Almost surely, 2^331138882768 is an apocalyptic number.

It is an amenable number.

331138882768 is a deficient number, since it is larger than the sum of its proper divisors (325163182640).

331138882768 is a wasteful number, since it uses less digits than its factorization.

331138882768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719011 (or 719005 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 58.

The spelling of 331138882768 in words is "three hundred thirty-one billion, one hundred thirty-eight million, eight hundred eighty-two thousand, seven hundred sixty-eight".