112287631 has 4 divisors (see below), whose sum is σ = 112778200. Its totient is φ = 111797064.

The previous prime is 112287607. The next prime is 112287667. The reversal of 112287631 is 136782211.

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

It is a cyclic number.

It is not a de Polignac number, because 112287631 - 2⁵ = 112287599 is a prime.

It is a super-2 number, since 2×112287631² = 25217024151184322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112287593 and 112287602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112287671) 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 in 3 ways as a sum of consecutive naturals, for example, 244941 + ... + 245398.

It is an arithmetic number, because the mean of its divisors is an integer number (28194550).

Almost surely, 2^112287631 is an apocalyptic number.

112287631 is a deficient number, since it is larger than the sum of its proper divisors (490569).

112287631 is an equidigital number, since it uses as much as digits as its factorization.

112287631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490568.

The product of its digits is 4032, while the sum is 31.

The square root of 112287631 is about 10596.5858180831. The cubic root of 112287631 is about 482.4407379765.

The spelling of 112287631 in words is "one hundred twelve million, two hundred eighty-seven thousand, six hundred thirty-one".