104631305 has 4 divisors (see below), whose sum is σ = 125557572. Its totient is φ = 83705040.

The previous prime is 104631299. The next prime is 104631343. The reversal of 104631305 is 503136401.

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: 503136401 = 281 ⋅1790521.

It can be written as a sum of positive squares in 2 ways, for example, as 39037504 + 65593801 = 6248^2 + 8099^2 .

It is not a de Polignac number, because 104631305 - 2¹⁴ = 104614921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10463126 + ... + 10463135.

It is an arithmetic number, because the mean of its divisors is an integer number (31389393).

Almost surely, 2^104631305 is an apocalyptic number.

It is an amenable number.

104631305 is a deficient number, since it is larger than the sum of its proper divisors (20926267).

104631305 is an equidigital number, since it uses as much as digits as its factorization.

104631305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20926266.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 104631305 is about 10228.9444714496. The cubic root of 104631305 is about 471.2165630951.

Adding to 104631305 its reverse (503136401), we get a palindrome (607767706).

The spelling of 104631305 in words is "one hundred four million, six hundred thirty-one thousand, three hundred five".