112379431 has 4 divisors (see below), whose sum is σ = 112412664. Its totient is φ = 112346200.

The previous prime is 112379419. The next prime is 112379453. The reversal of 112379431 is 134973211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134973211 = 317 ⋅425783.

It is a cyclic number.

It is not a de Polignac number, because 112379431 - 2⁹ = 112378919 is a prime.

It is a super-2 number, since 2×112379431² = 25258273023767522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112379393 and 112379402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112379411) 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, 10885 + ... + 18526.

It is an arithmetic number, because the mean of its divisors is an integer number (28103166).

Almost surely, 2^112379431 is an apocalyptic number.

112379431 is a deficient number, since it is larger than the sum of its proper divisors (33233).

112379431 is an equidigital number, since it uses as much as digits as its factorization.

112379431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33232.

The product of its digits is 4536, while the sum is 31.

The square root of 112379431 is about 10600.9165169810. The cubic root of 112379431 is about 482.5721742285.

The spelling of 112379431 in words is "one hundred twelve million, three hundred seventy-nine thousand, four hundred thirty-one".