104818431 has 4 divisors (see below), whose sum is σ = 139757912. Its totient is φ = 69878952.

The previous prime is 104818423. The next prime is 104818463. The reversal of 104818431 is 134818401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 104818431 - 2³ = 104818423 is a prime.

It is a super-2 number, since 2×104818431² = 21973806954603522, 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 (104818331) 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, 17469736 + ... + 17469741.

It is an arithmetic number, because the mean of its divisors is an integer number (34939478).

Almost surely, 2^104818431 is an apocalyptic number.

104818431 is a deficient number, since it is larger than the sum of its proper divisors (34939481).

104818431 is an equidigital number, since it uses as much as digits as its factorization.

104818431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34939480.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 104818431 is about 10238.0872725329. The cubic root of 104818431 is about 471.4973087624.

Subtracting from 104818431 its sum of digits (30), we obtain a palindrome (104818401).

The spelling of 104818431 in words is "one hundred four million, eight hundred eighteen thousand, four hundred thirty-one".