112831 has 2 divisors, whose sum is σ = 112832. Its totient is φ = 112830.

The previous prime is 112807. The next prime is 112843. The reversal of 112831 is 138211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112831 - 2⁵ = 112799 is a prime.

It is a super-2 number, since 2×112831² = 25461669122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56415 + 56416.

It is an arithmetic number, because the mean of its divisors is an integer number (56416).

2¹¹²⁸³¹ is an apocalyptic number.

112831 is a deficient number, since it is larger than the sum of its proper divisors (1).

112831 is an equidigital number, since it uses as much as digits as its factorization.

112831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48, while the sum is 16.

The square root of 112831 is about 335.9032598830. The cubic root of 112831 is about 48.3217676118.

The spelling of 112831 in words is "one hundred twelve thousand, eight hundred thirty-one".