331120332120 has 128 divisors (see below), whose sum is σ = 1019081606400. Its totient is φ = 86023064064.

The previous prime is 331120332083. The next prime is 331120332131. The reversal of 331120332120 is 21233021133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1924759 + ... + 2089721.

It is an arithmetic number, because the mean of its divisors is an integer number (7961575050).

Almost surely, 2^331120332120 is an apocalyptic number.

331120332120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331120332120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509540803200).

331120332120 is an abundant number, since it is smaller than the sum of its proper divisors (687961274280).

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

331120332120 is a wasteful number, since it uses less digits than its factorization.

331120332120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165409 (or 165405 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 331120332120 its reverse (21233021133), we get a palindrome (352353353253).

The spelling of 331120332120 in words is "three hundred thirty-one billion, one hundred twenty million, three hundred thirty-two thousand, one hundred twenty".