113104431 has 40 divisors (see below), whose sum is σ = 187429968. Its totient is φ = 67392000.

The previous prime is 113104429. The next prime is 113104469. The reversal of 113104431 is 134401311.

It is not a de Polignac number, because 113104431 - 2¹ = 113104429 is a prime.

It is a super-2 number, since 2×113104431² = 25585224623667522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113104421) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53311 + ... + 55391.

Almost surely, 2^113104431 is an apocalyptic number.

113104431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113104431 is a deficient number, since it is larger than the sum of its proper divisors (74325537).

113104431 is a wasteful number, since it uses less digits than its factorization.

113104431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2156 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 113104431 is about 10635.0566994257. The cubic root of 113104431 is about 483.6076992660.

Adding to 113104431 its reverse (134401311), we get a palindrome (247505742).

The spelling of 113104431 in words is "one hundred thirteen million, one hundred four thousand, four hundred thirty-one".