331022223312 has 80 divisors (see below), whose sum is σ = 958093862592. Its totient is φ = 97598684160.

The previous prime is 331022223307. The next prime is 331022223353. The reversal of 331022223312 is 213322220133.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 8452573 + ... + 8491644.

Almost surely, 2^331022223312 is an apocalyptic number.

It is an amenable number.

331022223312 is an abundant number, since it is smaller than the sum of its proper divisors (627071639280).

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

331022223312 is a wasteful number, since it uses less digits than its factorization.

331022223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944276 (or 16944270 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 331022223312 its reverse (213322220133), we get a palindrome (544344443445).

The spelling of 331022223312 in words is "three hundred thirty-one billion, twenty-two million, two hundred twenty-three thousand, three hundred twelve".