112104400431 has 4 divisors (see below), whose sum is σ = 149472533912. Its totient is φ = 74736266952.

The previous prime is 112104400379. The next prime is 112104400433. The reversal of 112104400431 is 134004401211.

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

It is not a de Polignac number, because 112104400431 - 2¹¹ = 112104398383 is a prime.

It is a super-2 number, since 2×112104400431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112104400398 and 112104400407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112104400433) 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, 18684066736 + ... + 18684066741.

It is an arithmetic number, because the mean of its divisors is an integer number (37368133478).

Almost surely, 2^112104400431 is an apocalyptic number.

112104400431 is a deficient number, since it is larger than the sum of its proper divisors (37368133481).

112104400431 is an equidigital number, since it uses as much as digits as its factorization.

112104400431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37368133480.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 112104400431 its reverse (134004401211), we get a palindrome (246108801642).

The spelling of 112104400431 in words is "one hundred twelve billion, one hundred four million, four hundred thousand, four hundred thirty-one".