3113131112 has 128 divisors (see below), whose sum is σ = 7384608000. Its totient is φ = 1222550784.

The previous prime is 3113131097. The next prime is 3113131127. The reversal of 3113131112 is 2111313113.

3113131112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3113131097) and next prime (3113131127).

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, 7027163 + ... + 7027605.

It is an arithmetic number, because the mean of its divisors is an integer number (57692250).

Almost surely, 2^3113131112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113131112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3692304000).

3113131112 is an abundant number, since it is smaller than the sum of its proper divisors (4271476888).

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

3113131112 is a wasteful number, since it uses less digits than its factorization.

3113131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 662 counting only the distinct ones).

The product of its digits is 54, while the sum is 17.

The square root of 3113131112 is about 55795.4398853526. The cubic root of 3113131112 is about 1460.1555961024.

Adding to 3113131112 its reverse (2111313113), we get a palindrome (5224444225).

It can be divided in two parts, 311313111 and 2, that added together give a palindrome (311313113).

The spelling of 3113131112 in words is "three billion, one hundred thirteen million, one hundred thirty-one thousand, one hundred twelve".