115106231 has 2 divisors, whose sum is σ = 115106232. Its totient is φ = 115106230.

The previous prime is 115106219. The next prime is 115106261. The reversal of 115106231 is 132601511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115106231 is a prime.

It is a super-2 number, since 2×115106231² = 26498888830050722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115106261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57553115 + 57553116.

It is an arithmetic number, because the mean of its divisors is an integer number (57553116).

Almost surely, 2^115106231 is an apocalyptic number.

115106231 is a deficient number, since it is larger than the sum of its proper divisors (1).

115106231 is an equidigital number, since it uses as much as digits as its factorization.

115106231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 115106231 is about 10728.7571973645. The cubic root of 115106231 is about 486.4441048287. Note that the first 3 decimals are identical.

Adding to 115106231 its reverse (132601511), we get a palindrome (247707742).

The spelling of 115106231 in words is "one hundred fifteen million, one hundred six thousand, two hundred thirty-one".