331323031312 has 80 divisors (see below), whose sum is σ = 797070234240. Its totient is φ = 129912846336.

The previous prime is 331323031231. The next prime is 331323031367. The reversal of 331323031312 is 213130323133.

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, 842362 + ... + 1171417.

It is an arithmetic number, because the mean of its divisors is an integer number (9963377928).

Almost surely, 2^331323031312 is an apocalyptic number.

It is an amenable number.

331323031312 is an abundant number, since it is smaller than the sum of its proper divisors (465747202928).

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

331323031312 is a wasteful number, since it uses less digits than its factorization.

331323031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013920 (or 2013914 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 331323031312 its reverse (213130323133), we get a palindrome (544453354445).

The spelling of 331323031312 in words is "three hundred thirty-one billion, three hundred twenty-three million, thirty-one thousand, three hundred twelve".