112513431 has 4 divisors (see below), whose sum is σ = 150017912. Its totient is φ = 75008952.

The previous prime is 112513409. The next prime is 112513433. The reversal of 112513431 is 134315211.

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

It is not a de Polignac number, because 112513431 - 2⁵ = 112513399 is a prime.

It is a super-2 number, since 2×112513431² = 25318544310783522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112513398 and 112513407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112513433) 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, 18752236 + ... + 18752241.

It is an arithmetic number, because the mean of its divisors is an integer number (37504478).

Almost surely, 2^112513431 is an apocalyptic number.

112513431 is a deficient number, since it is larger than the sum of its proper divisors (37504481).

112513431 is an equidigital number, since it uses as much as digits as its factorization.

112513431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37504480.

The product of its digits is 360, while the sum is 21.

The square root of 112513431 is about 10607.2348423140. The cubic root of 112513431 is about 482.7639026316.

Adding to 112513431 its reverse (134315211), we get a palindrome (246828642).

The spelling of 112513431 in words is "one hundred twelve million, five hundred thirteen thousand, four hundred thirty-one".