311033020012 has 96 divisors (see below), whose sum is σ = 674731411200. Its totient is φ = 123339283200.

The previous prime is 311033020007. The next prime is 311033020063. The reversal of 311033020012 is 210020330113.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4541439 + ... + 4609417.

It is an arithmetic number, because the mean of its divisors is an integer number (7028452200).

Almost surely, 2^311033020012 is an apocalyptic number.

It is an amenable number.

311033020012 is an abundant number, since it is smaller than the sum of its proper divisors (363698391188).

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

311033020012 is a wasteful number, since it uses less digits than its factorization.

311033020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68447 (or 68445 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 311033020012 its reverse (210020330113), we get a palindrome (521053350125).

The spelling of 311033020012 in words is "three hundred eleven billion, thirty-three million, twenty thousand, twelve".