13305203306 has 32 divisors (see below), whose sum is σ = 22054116240. Its totient is φ = 5991817216.

The previous prime is 13305203299. The next prime is 13305203377. The reversal of 13305203306 is 60330250331.

It can be written as a sum of positive squares in 8 ways, for example, as 7498001281 + 5807202025 = 86591^2 + 76205^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51710 + ... + 171126.

Almost surely, 2^13305203306 is an apocalyptic number.

13305203306 is a deficient number, since it is larger than the sum of its proper divisors (8748912934).

13305203306 is a wasteful number, since it uses less digits than its factorization.

13305203306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119578.

The product of its (nonzero) digits is 4860, while the sum is 26.

Adding to 13305203306 its reverse (60330250331), we get a palindrome (73635453637).

The spelling of 13305203306 in words is "thirteen billion, three hundred five million, two hundred three thousand, three hundred six".