104310309 has 4 divisors (see below), whose sum is σ = 139080416. Its totient is φ = 69540204.

The previous prime is 104310301. The next prime is 104310373. The reversal of 104310309 is 903013401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 104310309 - 2³ = 104310301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104310301) 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, 17385049 + ... + 17385054.

It is an arithmetic number, because the mean of its divisors is an integer number (34770104).

Almost surely, 2^104310309 is an apocalyptic number.

It is an amenable number.

104310309 is a deficient number, since it is larger than the sum of its proper divisors (34770107).

104310309 is an equidigital number, since it uses as much as digits as its factorization.

104310309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34770106.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 104310309 is about 10213.2418457608. The cubic root of 104310309 is about 470.7341912816.

The spelling of 104310309 in words is "one hundred four million, three hundred ten thousand, three hundred nine".