331312023212 has 12 divisors (see below), whose sum is σ = 581048303136. Its totient is φ = 165298222320.

The previous prime is 331312023199. The next prime is 331312023311. The reversal of 331312023212 is 212320213133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89445239 + ... + 89448942.

It is an arithmetic number, because the mean of its divisors is an integer number (48420691928).

Almost surely, 2^331312023212 is an apocalyptic number.

It is an amenable number.

331312023212 is a deficient number, since it is larger than the sum of its proper divisors (249736279924).

331312023212 is a wasteful number, since it uses less digits than its factorization.

331312023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178894648 (or 178894646 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 331312023212 its reverse (212320213133), we get a palindrome (543632236345).

The spelling of 331312023212 in words is "three hundred thirty-one billion, three hundred twelve million, twenty-three thousand, two hundred twelve".