3111320231112 has 64 divisors (see below), whose sum is σ = 8139251926080. Its totient is φ = 990037631232.

The previous prime is 3111320231101. The next prime is 3111320231137. The reversal of 3111320231112 is 2111320231113.

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, 33007078 + ... + 33101205.

It is an arithmetic number, because the mean of its divisors is an integer number (127175811345).

Almost surely, 2^{3111320231112} is an apocalyptic number.

It is an amenable number.

3111320231112 is an abundant number, since it is smaller than the sum of its proper divisors (5027931694968).

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

3111320231112 is a wasteful number, since it uses less digits than its factorization.

3111320231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66108382 (or 66108378 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3111320231112 its reverse (2111320231113), we get a palindrome (5222640462225).

Subtracting from 3111320231112 its reverse (2111320231113), we obtain a palindrome (999999999999).

The spelling of 3111320231112 in words is "three trillion, one hundred eleven billion, three hundred twenty million, two hundred thirty-one thousand, one hundred twelve".