112115231 has 2 divisors, whose sum is σ = 112115232. Its totient is φ = 112115230.

The previous prime is 112115117. The next prime is 112115249. The reversal of 112115231 is 132511211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112115231 is a prime.

It is a super-2 number, since 2×112115231² = 25139650044366722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112115831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56057615 + 56057616.

It is an arithmetic number, because the mean of its divisors is an integer number (56057616).

Almost surely, 2^112115231 is an apocalyptic number.

112115231 is a deficient number, since it is larger than the sum of its proper divisors (1).

112115231 is an equidigital number, since it uses as much as digits as its factorization.

112115231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60, while the sum is 17.

The square root of 112115231 is about 10588.4479977001. The cubic root of 112115231 is about 482.1937075450.

Adding to 112115231 its reverse (132511211), we get a palindrome (244626442).

The spelling of 112115231 in words is "one hundred twelve million, one hundred fifteen thousand, two hundred thirty-one".