331323222120 has 128 divisors (see below), whose sum is σ = 1084484522880. Its totient is φ = 80309376000.

The previous prime is 331323222119. The next prime is 331323222127. The reversal of 331323222120 is 21222323133.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (331323222127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12739530 + ... + 12765510.

It is an arithmetic number, because the mean of its divisors is an integer number (8472535335).

Almost surely, 2^331323222120 is an apocalyptic number.

331323222120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331323222120 is an abundant number, since it is smaller than the sum of its proper divisors (753161300760).

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

331323222120 is a wasteful number, since it uses less digits than its factorization.

331323222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35667 (or 35663 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 331323222120 its reverse (21222323133), we get a palindrome (352545545253).

The spelling of 331323222120 in words is "three hundred thirty-one billion, three hundred twenty-three million, two hundred twenty-two thousand, one hundred twenty".