331133102120 has 16 divisors (see below), whose sum is σ = 745049479860. Its totient is φ = 132453240832.

The previous prime is 331133102119. The next prime is 331133102129. The reversal of 331133102120 is 21201331133.

It can be written as a sum of positive squares in 2 ways, for example, as 287225252356 + 43907849764 = 535934^2 + 209542^2 .

It is a super-2 number, since 2×331133102120² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 331133102092 and 331133102101.

It is not an unprimeable number, because it can be changed into a prime (331133102129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4139163737 + ... + 4139163816.

Almost surely, 2^331133102120 is an apocalyptic number.

It is an amenable number.

331133102120 is an abundant number, since it is smaller than the sum of its proper divisors (413916377740).

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

331133102120 is a wasteful number, since it uses less digits than its factorization.

331133102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8278327564 (or 8278327560 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 331133102120 its reverse (21201331133), we get a palindrome (352334433253).

The spelling of 331133102120 in words is "three hundred thirty-one billion, one hundred thirty-three million, one hundred two thousand, one hundred twenty".