104431305 has 64 divisors (see below), whose sum is σ = 191600640. Its totient is φ = 48115200.

The previous prime is 104431303. The next prime is 104431307. The reversal of 104431305 is 503134401.

It is an interprime number because it is at equal distance from previous prime (104431303) and next prime (104431307).

It is not a de Polignac number, because 104431305 - 2¹ = 104431303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104431303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 290716 + ... + 291074.

It is an arithmetic number, because the mean of its divisors is an integer number (2993760).

Almost surely, 2^104431305 is an apocalyptic number.

104431305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104431305 is a deficient number, since it is larger than the sum of its proper divisors (87169335).

104431305 is a wasteful number, since it uses less digits than its factorization.

104431305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

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

The square root of 104431305 is about 10219.1636154824. The cubic root of 104431305 is about 470.9161322176.

Adding to 104431305 its reverse (503134401), we get a palindrome (607565706).

The spelling of 104431305 in words is "one hundred four million, four hundred thirty-one thousand, three hundred five".