112100013431 has 4 divisors (see below), whose sum is σ = 128114301072. Its totient is φ = 96085725792.

The previous prime is 112100013419. The next prime is 112100013449. The reversal of 112100013431 is 134310001211.

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

It is not a de Polignac number, because 112100013431 - 2²⁶ = 112032904567 is a prime.

It is a super-2 number, since 2×112100013431² (a number of 23 digits) 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 (112100013461) 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, 8007143810 + ... + 8007143823.

It is an arithmetic number, because the mean of its divisors is an integer number (32028575268).

Almost surely, 2^112100013431 is an apocalyptic number.

112100013431 is a deficient number, since it is larger than the sum of its proper divisors (16014287641).

112100013431 is an equidigital number, since it uses as much as digits as its factorization.

112100013431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16014287640.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 112100013431 its reverse (134310001211), we get a palindrome (246410014642).

The spelling of 112100013431 in words is "one hundred twelve billion, one hundred million, thirteen thousand, four hundred thirty-one".