104215313 has 4 divisors (see below), whose sum is σ = 104586468. Its totient is φ = 103844160.

The previous prime is 104215303. The next prime is 104215333. The reversal of 104215313 is 313512401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313512401 = 1033 ⋅303497.

It can be written as a sum of positive squares in 2 ways, for example, as 46348864 + 57866449 = 6808^2 + 7607^2 .

It is a cyclic number.

It is not a de Polignac number, because 104215313 - 2⁶ = 104215249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104215303) 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, 185156 + ... + 185717.

It is an arithmetic number, because the mean of its divisors is an integer number (26146617).

Almost surely, 2^104215313 is an apocalyptic number.

It is an amenable number.

104215313 is a deficient number, since it is larger than the sum of its proper divisors (371155).

104215313 is an equidigital number, since it uses as much as digits as its factorization.

104215313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371154.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 104215313 is about 10208.5901573136. The cubic root of 104215313 is about 470.5912477653.

Adding to 104215313 its reverse (313512401), we get a palindrome (417727714).

The spelling of 104215313 in words is "one hundred four million, two hundred fifteen thousand, three hundred thirteen".