113431256743 has 6 divisors (see below), whose sum is σ = 131950645656. Its totient is φ = 97226791452.

The previous prime is 113431256713. The next prime is 113431256749. The reversal of 113431256743 is 347652134311.

It is a happy number.

It is not a de Polignac number, because 113431256743 - 2²⁹ = 112894385831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113431256696 and 113431256705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113431256749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1157461755 + ... + 1157461852.

It is an arithmetic number, because the mean of its divisors is an integer number (21991774276).

Almost surely, 2^113431256743 is an apocalyptic number.

113431256743 is a deficient number, since it is larger than the sum of its proper divisors (18519388913).

113431256743 is an equidigital number, since it uses as much as digits as its factorization.

113431256743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314923621 (or 2314923614 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The spelling of 113431256743 in words is "one hundred thirteen billion, four hundred thirty-one million, two hundred fifty-six thousand, seven hundred forty-three".