331232320992 has 48 divisors (see below), whose sum is σ = 920631014352. Its totient is φ = 103916021760.

The previous prime is 331232320927. The next prime is 331232320999. The reversal of 331232320992 is 299023232133.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 331232320992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331232320999) 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, 101478859 + ... + 101482122.

It is an arithmetic number, because the mean of its divisors is an integer number (19179812799).

Almost surely, 2^331232320992 is an apocalyptic number.

331232320992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331232320992 is an abundant number, since it is smaller than the sum of its proper divisors (589398693360).

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

331232320992 is a wasteful number, since it uses less digits than its factorization.

331232320992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202961011 (or 202961003 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 39.

The spelling of 331232320992 in words is "three hundred thirty-one billion, two hundred thirty-two million, three hundred twenty thousand, nine hundred ninety-two".