12113332031 has 4 divisors (see below), whose sum is σ = 12825880992. Its totient is φ = 11400783072.

The previous prime is 12113332003. The next prime is 12113332051. The reversal of 12113332031 is 13023331121.

12113332031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13023331121 = 2543 ⋅5121247.

It is a cyclic number.

It is not a de Polignac number, because 12113332031 - 2¹⁸ = 12113069887 is a prime.

It is a super-2 number, since 2×12113332031² (a number of 21 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 = 12113331994 and 12113332012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113332051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356274455 + ... + 356274488.

It is an arithmetic number, because the mean of its divisors is an integer number (3206470248).

Almost surely, 2^12113332031 is an apocalyptic number.

12113332031 is a deficient number, since it is larger than the sum of its proper divisors (712548961).

12113332031 is an equidigital number, since it uses as much as digits as its factorization.

12113332031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712548960.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12113332031 its reverse (13023331121), we get a palindrome (25136663152).

The spelling of 12113332031 in words is "twelve billion, one hundred thirteen million, three hundred thirty-two thousand, thirty-one".