331201231120 has 40 divisors (see below), whose sum is σ = 815339504664. Its totient is φ = 124687521792.

The previous prime is 331201231037. The next prime is 331201231129. The reversal of 331201231120 is 21132102133.

It can be written as a sum of positive squares in 4 ways, for example, as 59518433296 + 271682797824 = 243964^2 + 521232^2 .

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

It is not an unprimeable number, because it can be changed into a prime (331201231129) 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, 121763799 + ... + 121766518.

Almost surely, 2^331201231120 is an apocalyptic number.

It is an amenable number.

331201231120 is an abundant number, since it is smaller than the sum of its proper divisors (484138273544).

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

331201231120 is a wasteful number, since it uses less digits than its factorization.

331201231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243530347 (or 243530341 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 331201231120 its reverse (21132102133), we get a palindrome (352333333253).

The spelling of 331201231120 in words is "three hundred thirty-one billion, two hundred one million, two hundred thirty-one thousand, one hundred twenty".