113003340431 has 4 divisors (see below), whose sum is σ = 113010661992. Its totient is φ = 112996018872.

The previous prime is 113003340409. The next prime is 113003340433. The reversal of 113003340431 is 134043300311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113003340431 is a prime.

It is a super-2 number, since 2×113003340431² (a number of 23 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 = 113003340397 and 113003340406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113003340433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3637580 + ... + 3668513.

It is an arithmetic number, because the mean of its divisors is an integer number (28252665498).

Almost surely, 2^113003340431 is an apocalyptic number.

113003340431 is a deficient number, since it is larger than the sum of its proper divisors (7321561).

113003340431 is an equidigital number, since it uses as much as digits as its factorization.

113003340431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321560.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 113003340431 its reverse (134043300311), we get a palindrome (247046640742).

The spelling of 113003340431 in words is "one hundred thirteen billion, three million, three hundred forty thousand, four hundred thirty-one".