113003431 has 8 divisors (see below), whose sum is σ = 119577600. Its totient is φ = 106491960.

The previous prime is 113003413. The next prime is 113003447. The reversal of 113003431 is 134300311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113003431 - 2²³ = 104614823 is a prime.

It is a super-2 number, since 2×113003431² = 25539550835543522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113003411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11941 + ... + 19198.

It is an arithmetic number, because the mean of its divisors is an integer number (14947200).

Almost surely, 2^113003431 is an apocalyptic number.

113003431 is a deficient number, since it is larger than the sum of its proper divisors (6574169).

113003431 is a wasteful number, since it uses less digits than its factorization.

113003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31349.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113003431 is about 10630.3071921746. The cubic root of 113003431 is about 483.4637057212.

Adding to 113003431 its reverse (134300311), we get a palindrome (247303742).

The spelling of 113003431 in words is "one hundred thirteen million, three thousand, four hundred thirty-one".