331123310120 has 64 divisors (see below), whose sum is σ = 747990936000. Its totient is φ = 131923427328.

The previous prime is 331123310099. The next prime is 331123310123. The reversal of 331123310120 is 21013321133.

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 = 331123310092 and 331123310101.

It is not an unprimeable number, because it can be changed into a prime (331123310123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11643839 + ... + 11672241.

It is an arithmetic number, because the mean of its divisors is an integer number (11687358375).

Almost surely, 2^331123310120 is an apocalyptic number.

It is an amenable number.

331123310120 is an abundant number, since it is smaller than the sum of its proper divisors (416867625880).

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

331123310120 is a wasteful number, since it uses less digits than its factorization.

331123310120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29562 (or 29558 counting only the distinct ones).

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

Adding to 331123310120 its reverse (21013321133), we get a palindrome (352136631253).

The spelling of 331123310120 in words is "three hundred thirty-one billion, one hundred twenty-three million, three hundred ten thousand, one hundred twenty".