112940431 has 4 divisors (see below), whose sum is σ = 113002792. Its totient is φ = 112878072.

The previous prime is 112940393. The next prime is 112940437. The reversal of 112940431 is 134049211.

It is a happy number.

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-112940431 is a prime.

It is a super-2 number, since 2×112940431² = 25511081908931522, 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 = 112940396 and 112940405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112940437) 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, 28380 + ... + 32113.

It is an arithmetic number, because the mean of its divisors is an integer number (28250698).

Almost surely, 2^112940431 is an apocalyptic number.

112940431 is a deficient number, since it is larger than the sum of its proper divisors (62361).

112940431 is an equidigital number, since it uses as much as digits as its factorization.

112940431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62360.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 112940431 is about 10627.3435533063. The cubic root of 112940431 is about 483.3738445103.

Adding to 112940431 its reverse (134049211), we get a palindrome (246989642).

The spelling of 112940431 in words is "one hundred twelve million, nine hundred forty thousand, four hundred thirty-one".