104155231 has 4 divisors (see below), whose sum is σ = 104223600. Its totient is φ = 104086864.

The previous prime is 104155199. The next prime is 104155291. The reversal of 104155231 is 132551401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132551401 = 41 ⋅3232961.

It is a cyclic number.

It is not a de Polignac number, because 104155231 - 2⁵ = 104155199 is a prime.

It is a super-2 number, since 2×104155231² = 21696624289326722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104155291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31846 + ... + 34963.

It is an arithmetic number, because the mean of its divisors is an integer number (26055900).

Almost surely, 2^104155231 is an apocalyptic number.

104155231 is a deficient number, since it is larger than the sum of its proper divisors (68369).

104155231 is an equidigital number, since it uses as much as digits as its factorization.

104155231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68368.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 104155231 is about 10205.6470152558. The cubic root of 104155231 is about 470.5007956114.

The spelling of 104155231 in words is "one hundred four million, one hundred fifty-five thousand, two hundred thirty-one".