331220663125 has 40 divisors (see below), whose sum is σ = 451697710464. Its totient is φ = 240792960000.

The previous prime is 331220663107. The next prime is 331220663141. The reversal of 331220663125 is 521366022133.

It is not a de Polignac number, because 331220663125 - 2²¹ = 331218565973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20775157 + ... + 20791093.

Almost surely, 2^331220663125 is an apocalyptic number.

It is an amenable number.

331220663125 is a deficient number, since it is larger than the sum of its proper divisors (120477047339).

331220663125 is a wasteful number, since it uses less digits than its factorization.

331220663125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18991 (or 18976 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 331220663125 its reverse (521366022133), we get a palindrome (852586685258).

The spelling of 331220663125 in words is "three hundred thirty-one billion, two hundred twenty million, six hundred sixty-three thousand, one hundred twenty-five".