331256432131120 has 40 divisors (see below), whose sum is σ = 770177261013840. Its totient is φ = 132501530906880.

The previous prime is 331256432131087. The next prime is 331256432131181. The reversal of 331256432131120 is 21131234652133.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×331256432131120³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331256432131120.

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, 6003046 + ... + 26430085.

It is an arithmetic number, because the mean of its divisors is an integer number (19254431525346).

Almost surely, 2^{331256432131120} is an apocalyptic number.

It is an amenable number.

331256432131120 is an abundant number, since it is smaller than the sum of its proper divisors (438920828882720).

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

331256432131120 is a wasteful number, since it uses less digits than its factorization.

331256432131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32560813 (or 32560807 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 331256432131120 its reverse (21131234652133), we get a palindrome (352387666783253).

The spelling of 331256432131120 in words is "three hundred thirty-one trillion, two hundred fifty-six billion, four hundred thirty-two million, one hundred thirty-one thousand, one hundred twenty".