104435031 has 4 divisors (see below), whose sum is σ = 139246712. Its totient is φ = 69623352.

The previous prime is 104435017. The next prime is 104435047. The reversal of 104435031 is 130534401.

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

It is not a de Polignac number, because 104435031 - 2¹¹ = 104432983 is a prime.

It is a super-2 number, since 2×104435031² = 21813351399941922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104434989 and 104435007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104435231) 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, 17405836 + ... + 17405841.

It is an arithmetic number, because the mean of its divisors is an integer number (34811678).

Almost surely, 2^104435031 is an apocalyptic number.

104435031 is a deficient number, since it is larger than the sum of its proper divisors (34811681).

104435031 is an equidigital number, since it uses as much as digits as its factorization.

104435031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34811680.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 104435031 is about 10219.3459184040. The cubic root of 104435031 is about 470.9217327497.

Adding to 104435031 its reverse (130534401), we get a palindrome (234969432).

The spelling of 104435031 in words is "one hundred four million, four hundred thirty-five thousand, thirty-one".