13331472305 has 16 divisors (see below), whose sum is σ = 16084205904. Its totient is φ = 10607708160.

The previous prime is 13331472299. The next prime is 13331472311. The reversal of 13331472305 is 50327413331.

It is an interprime number because it is at equal distance from previous prime (13331472299) and next prime (13331472311).

It can be written as a sum of positive squares in 8 ways, for example, as 2311301776 + 11020170529 = 48076^2 + 104977^2 .

It is not a de Polignac number, because 13331472305 - 2⁶ = 13331472241 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699989 + ... + 718781.

It is an arithmetic number, because the mean of its divisors is an integer number (1005262869).

Almost surely, 2^13331472305 is an apocalyptic number.

It is an amenable number.

13331472305 is a deficient number, since it is larger than the sum of its proper divisors (2752733599).

13331472305 is a wasteful number, since it uses less digits than its factorization.

13331472305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19556.

The product of its (nonzero) digits is 22680, while the sum is 32.

Adding to 13331472305 its reverse (50327413331), we get a palindrome (63658885636).

The spelling of 13331472305 in words is "thirteen billion, three hundred thirty-one million, four hundred seventy-two thousand, three hundred five".