331220500125 has 32 divisors (see below), whose sum is σ = 558700970880. Its totient is φ = 174231043200.

The previous prime is 331220500111. The next prime is 331220500181. The reversal of 331220500125 is 521005022133.

It is a happy number.

It is not a de Polignac number, because 331220500125 - 2⁷ = 331220499997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331220500095 and 331220500104.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 6022315 + ... + 6077064.

It is an arithmetic number, because the mean of its divisors is an integer number (17459405340).

Almost surely, 2^331220500125 is an apocalyptic number.

It is an amenable number.

331220500125 is a deficient number, since it is larger than the sum of its proper divisors (227480470755).

331220500125 is a wasteful number, since it uses less digits than its factorization.

331220500125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12099470 (or 12099460 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 331220500125 its reverse (521005022133), we get a palindrome (852225522258).

The spelling of 331220500125 in words is "three hundred thirty-one billion, two hundred twenty million, five hundred thousand, one hundred twenty-five".