13112312113 has 16 divisors (see below), whose sum is σ = 13568962176. Its totient is φ = 12663383040.

The previous prime is 13112312107. The next prime is 13112312183. The reversal of 13112312113 is 31121321131.

It is not a de Polignac number, because 13112312113 - 2⁹ = 13112311601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112312183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381203 + ... + 1390663.

It is an arithmetic number, because the mean of its divisors is an integer number (848060136).

Almost surely, 2^13112312113 is an apocalyptic number.

It is an amenable number.

13112312113 is a deficient number, since it is larger than the sum of its proper divisors (456650063).

13112312113 is a wasteful number, since it uses less digits than its factorization.

13112312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9864.

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

Adding to 13112312113 its reverse (31121321131), we get a palindrome (44233633244).

The spelling of 13112312113 in words is "thirteen billion, one hundred twelve million, three hundred twelve thousand, one hundred thirteen".