112115431 has 4 divisors (see below), whose sum is σ = 112344264. Its totient is φ = 111886600.

The previous prime is 112115411. The next prime is 112115453. The reversal of 112115431 is 134511211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134511211 = 83 ⋅1620617.

It is a cyclic number.

It is not a de Polignac number, because 112115431 - 2⁷ = 112115303 is a prime.

It is a super-2 number, since 2×112115431² = 25139739736631522, 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 = 112115399 and 112115408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112115411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113680 + ... + 114661.

It is an arithmetic number, because the mean of its divisors is an integer number (28086066).

Almost surely, 2^112115431 is an apocalyptic number.

112115431 is a deficient number, since it is larger than the sum of its proper divisors (228833).

112115431 is an equidigital number, since it uses as much as digits as its factorization.

112115431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228832.

The product of its digits is 120, while the sum is 19.

The square root of 112115431 is about 10588.4574419506. The cubic root of 112115431 is about 482.1939942699.

Adding to 112115431 its reverse (134511211), we get a palindrome (246626642).

The spelling of 112115431 in words is "one hundred twelve million, one hundred fifteen thousand, four hundred thirty-one".