331123022000 has 80 divisors (see below), whose sum is σ = 810302324832. Its totient is φ = 130853369600.

The previous prime is 331123021981. The next prime is 331123022011. The reversal of 331123022000 is 220321133.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 331123022000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831359 + ... + 1163358.

Almost surely, 2^331123022000 is an apocalyptic number.

It is an amenable number.

331123022000 is an abundant number, since it is smaller than the sum of its proper divisors (479179302832).

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

331123022000 is a wasteful number, since it uses less digits than its factorization.

331123022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994823 (or 1994807 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 331123022000 its reverse (220321133), we get a palindrome (331343343133).

The spelling of 331123022000 in words is "three hundred thirty-one billion, one hundred twenty-three million, twenty-two thousand".