104165231 has 2 divisors, whose sum is σ = 104165232. Its totient is φ = 104165230.

The previous prime is 104165209. The next prime is 104165263. The reversal of 104165231 is 132561401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104165231 - 2⁶ = 104165167 is a prime.

It is a super-2 number, since 2×104165231² = 21700790698566722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104165197 and 104165206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104165731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52082615 + 52082616.

It is an arithmetic number, because the mean of its divisors is an integer number (52082616).

Almost surely, 2^104165231 is an apocalyptic number.

104165231 is a deficient number, since it is larger than the sum of its proper divisors (1).

104165231 is an equidigital number, since it uses as much as digits as its factorization.

104165231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 104165231 is about 10206.1369283388. The cubic root of 104165231 is about 470.5158528081.

The spelling of 104165231 in words is "one hundred four million, one hundred sixty-five thousand, two hundred thirty-one".