116565331 has 2 divisors, whose sum is σ = 116565332. Its totient is φ = 116565330.

The previous prime is 116565329. The next prime is 116565341. The reversal of 116565331 is 133565611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116565331 - 2¹ = 116565329 is a prime.

It is a super-2 number, since 2×116565331² = 27174952782279122, which contains 22 as substring.

Together with 116565329, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 116565293 and 116565302.

It is not a weakly prime, because it can be changed into another prime (116565341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58282665 + 58282666.

It is an arithmetic number, because the mean of its divisors is an integer number (58282666).

Almost surely, 2^116565331 is an apocalyptic number.

116565331 is a deficient number, since it is larger than the sum of its proper divisors (1).

116565331 is an equidigital number, since it uses as much as digits as its factorization.

116565331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 31.

The square root of 116565331 is about 10796.5425484273. The cubic root of 116565331 is about 488.4908880063.

The spelling of 116565331 in words is "one hundred sixteen million, five hundred sixty-five thousand, three hundred thirty-one".