331231120122 has 24 divisors (see below), whose sum is σ = 770619341376. Its totient is φ = 94637462808.

The previous prime is 331231120117. The next prime is 331231120193. The reversal of 331231120122 is 221021132133.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 563317938 + ... + 563318525.

It is an arithmetic number, because the mean of its divisors is an integer number (32109139224).

Almost surely, 2^331231120122 is an apocalyptic number.

331231120122 is an abundant number, since it is smaller than the sum of its proper divisors (439388221254).

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

331231120122 is a wasteful number, since it uses less digits than its factorization.

331231120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126636482 (or 1126636475 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 331231120122 its reverse (221021132133), we get a palindrome (552252252255).

The spelling of 331231120122 in words is "three hundred thirty-one billion, two hundred thirty-one million, one hundred twenty thousand, one hundred twenty-two".