13113312112 has 10 divisors (see below), whose sum is σ = 25407042248. Its totient is φ = 6556656048.

The previous prime is 13113312097. The next prime is 13113312119. The reversal of 13113312112 is 21121331131.

It is a self number, because there is not a number n which added to its sum of digits gives 13113312112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113312119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409790988 + ... + 409791019.

Almost surely, 2^13113312112 is an apocalyptic number.

It is an amenable number.

13113312112 is a deficient number, since it is larger than the sum of its proper divisors (12293730136).

13113312112 is an equidigital number, since it uses as much as digits as its factorization.

13113312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819582015 (or 819582009 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

Adding to 13113312112 its reverse (21121331131), we get a palindrome (34234643243).

The spelling of 13113312112 in words is "thirteen billion, one hundred thirteen million, three hundred twelve thousand, one hundred twelve".