331121321330120 has 32 divisors (see below), whose sum is σ = 746751564616320. Its totient is φ = 132141223354560.

The previous prime is 331121321330071. The next prime is 331121321330131. The reversal of 331121321330120 is 21033123121133.

It is a self number, because there is not a number n which added to its sum of digits gives 331121321330120.

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, 9603269342 + ... + 9603303821.

It is an arithmetic number, because the mean of its divisors is an integer number (23335986394260).

Almost surely, 2^{331121321330120} is an apocalyptic number.

It is an amenable number.

331121321330120 is an abundant number, since it is smaller than the sum of its proper divisors (415630243286200).

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

331121321330120 is a wasteful number, since it uses less digits than its factorization.

331121321330120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19206573605 (or 19206573601 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 331121321330120 its reverse (21033123121133), we get a palindrome (352154444451253).

The spelling of 331121321330120 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, three hundred twenty-one million, three hundred thirty thousand, one hundred twenty".