12113401431 has 16 divisors (see below), whose sum is σ = 16215929856. Its totient is φ = 8043270816.

The previous prime is 12113401429. The next prime is 12113401439. The reversal of 12113401431 is 13410431121.

12113401431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12113401431 - 2¹ = 12113401429 is a prime.

It is a super-2 number, since 2×12113401431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12113401398 and 12113401407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113401439) 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 15 ways as a sum of consecutive naturals, for example, 2091766 + ... + 2097548.

It is an arithmetic number, because the mean of its divisors is an integer number (1013495616).

Almost surely, 2^12113401431 is an apocalyptic number.

12113401431 is a deficient number, since it is larger than the sum of its proper divisors (4102528425).

12113401431 is a wasteful number, since it uses less digits than its factorization.

12113401431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12113401431 its reverse (13410431121), we get a palindrome (25523832552).

The spelling of 12113401431 in words is "twelve billion, one hundred thirteen million, four hundred one thousand, four hundred thirty-one".