112451400431 has 4 divisors (see below), whose sum is σ = 112452336600. Its totient is φ = 112450464264.

The previous prime is 112451400427. The next prime is 112451400473. The reversal of 112451400431 is 134004154211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 134004154211 = 107 ⋅1252375273.

It is a cyclic number.

It is not a de Polignac number, because 112451400431 - 2² = 112451400427 is a prime.

It is a super-2 number, since 2×112451400431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112451400431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112451400491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255821 + ... + 538838.

It is an arithmetic number, because the mean of its divisors is an integer number (28113084150).

Almost surely, 2^112451400431 is an apocalyptic number.

112451400431 is a deficient number, since it is larger than the sum of its proper divisors (936169).

112451400431 is an equidigital number, since it uses as much as digits as its factorization.

112451400431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936168.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 112451400431 its reverse (134004154211), we get a palindrome (246455554642).

The spelling of 112451400431 in words is "one hundred twelve billion, four hundred fifty-one million, four hundred thousand, four hundred thirty-one".