12113102110031 has 4 divisors (see below), whose sum is σ = 13044879195432. Its totient is φ = 11181325024632.

The previous prime is 12113102110027. The next prime is 12113102110093. The reversal of 12113102110031 is 13001120131121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12113102110031 - 2² = 12113102110027 is a prime.

It is a super-2 number, since 2×12113102110031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12113102109991 and 12113102110009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113102110231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465888542681 + ... + 465888542706.

It is an arithmetic number, because the mean of its divisors is an integer number (3261219798858).

Almost surely, 2^{12113102110031} is an apocalyptic number.

12113102110031 is a deficient number, since it is larger than the sum of its proper divisors (931777085401).

12113102110031 is an equidigital number, since it uses as much as digits as its factorization.

12113102110031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931777085400.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 12113102110031 its reverse (13001120131121), we get a palindrome (25114222241152).

The spelling of 12113102110031 in words is "twelve trillion, one hundred thirteen billion, one hundred two million, one hundred ten thousand, thirty-one".