112165631 has 2 divisors, whose sum is σ = 112165632. Its totient is φ = 112165630.

The previous prime is 112165621. The next prime is 112165637. The reversal of 112165631 is 136561211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112165631 is a prime.

It is a super-2 number, since 2×112165631² = 25162257555256322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112165631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112165637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56082815 + 56082816.

It is an arithmetic number, because the mean of its divisors is an integer number (56082816).

Almost surely, 2^112165631 is an apocalyptic number.

112165631 is a deficient number, since it is larger than the sum of its proper divisors (1).

112165631 is an equidigital number, since it uses as much as digits as its factorization.

112165631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 26.

The square root of 112165631 is about 10590.8276824807. The cubic root of 112165631 is about 482.2659514376.

The spelling of 112165631 in words is "one hundred twelve million, one hundred sixty-five thousand, six hundred thirty-one".