331816368368 has 40 divisors (see below), whose sum is σ = 680834267568. Its totient is φ = 156120722432.

The previous prime is 331816368361. The next prime is 331816368383. The reversal of 331816368368 is 863863618133.

It is a happy number.

It is a super-2 number, since 2×331816368368² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331816368361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441355 + ... + 1655637.

Almost surely, 2^331816368368 is an apocalyptic number.

It is an amenable number.

331816368368 is an abundant number, since it is smaller than the sum of its proper divisors (349017899200).

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

331816368368 is a wasteful number, since it uses less digits than its factorization.

331816368368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220001 (or 219995 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 56.

The spelling of 331816368368 in words is "three hundred thirty-one billion, eight hundred sixteen million, three hundred sixty-eight thousand, three hundred sixty-eight".