115646831 has 2 divisors, whose sum is σ = 115646832. Its totient is φ = 115646830.

The previous prime is 115646827. The next prime is 115646851. The reversal of 115646831 is 138646511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115646831 - 2² = 115646827 is a prime.

It is a super-2 number, since 2×115646831² = 26748379040685122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115646791 and 115646800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115646851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57823415 + 57823416.

It is an arithmetic number, because the mean of its divisors is an integer number (57823416).

Almost surely, 2^115646831 is an apocalyptic number.

115646831 is a deficient number, since it is larger than the sum of its proper divisors (1).

115646831 is an equidigital number, since it uses as much as digits as its factorization.

115646831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 115646831 is about 10753.9216567725. The cubic root of 115646831 is about 487.2044490392.

The spelling of 115646831 in words is "one hundred fifteen million, six hundred forty-six thousand, eight hundred thirty-one".