112646431 has 2 divisors, whose sum is σ = 112646432. Its totient is φ = 112646430.

The previous prime is 112646419. The next prime is 112646461. The reversal of 112646431 is 134646211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112646431 - 2⁹ = 112645919 is a prime.

It is a super-2 number, since 2×112646431² = 25378436834075522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112646431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112646461) 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 as a sum of consecutive naturals, namely, 56323215 + 56323216.

It is an arithmetic number, because the mean of its divisors is an integer number (56323216).

Almost surely, 2^112646431 is an apocalyptic number.

112646431 is a deficient number, since it is larger than the sum of its proper divisors (1).

112646431 is an equidigital number, since it uses as much as digits as its factorization.

112646431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 112646431 is about 10613.5022966031. The cubic root of 112646431 is about 482.9540497561.

The spelling of 112646431 in words is "one hundred twelve million, six hundred forty-six thousand, four hundred thirty-one".