13305205315 has 4 divisors (see below), whose sum is σ = 15966246384. Its totient is φ = 10644164248.

The previous prime is 13305205279. The next prime is 13305205337. The reversal of 13305205315 is 51350250331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51350250331 = 359 ⋅143036909.

It is a cyclic number.

It is not a de Polignac number, because 13305205315 - 2⁷ = 13305205187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330520527 + ... + 1330520536.

It is an arithmetic number, because the mean of its divisors is an integer number (3991561596).

Almost surely, 2^13305205315 is an apocalyptic number.

13305205315 is a deficient number, since it is larger than the sum of its proper divisors (2661041069).

13305205315 is an equidigital number, since it uses as much as digits as its factorization.

13305205315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661041068.

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 13305205315 its reverse (51350250331), we get a palindrome (64655455646).

The spelling of 13305205315 in words is "thirteen billion, three hundred five million, two hundred five thousand, three hundred fifteen".