112440431 has 4 divisors (see below), whose sum is σ = 119054592. Its totient is φ = 105826272.

The previous prime is 112440389. The next prime is 112440443. The reversal of 112440431 is 134044211.

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-112440431 is a prime.

It is a super-2 number, since 2×112440431² = 25285701046931522, 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 (112440451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3307055 + ... + 3307088.

It is an arithmetic number, because the mean of its divisors is an integer number (29763648).

Almost surely, 2^112440431 is an apocalyptic number.

112440431 is a deficient number, since it is larger than the sum of its proper divisors (6614161).

112440431 is an equidigital number, since it uses as much as digits as its factorization.

112440431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6614160.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 112440431 is about 10603.7932363848. The cubic root of 112440431 is about 482.6594724639.

Adding to 112440431 its reverse (134044211), we get a palindrome (246484642).

It can be divided in two parts, 11 and 2440431, that added together give a palindrome (2440442).

The spelling of 112440431 in words is "one hundred twelve million, four hundred forty thousand, four hundred thirty-one".