13243300513 has 4 divisors (see below), whose sum is σ = 13272028308. Its totient is φ = 13214572720.

The previous prime is 13243300451. The next prime is 13243300531. The reversal of 13243300513 is 31500334231.

13243300513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8549406369 + 4693894144 = 92463^2 + 68512^2 .

It is a cyclic number.

It is not a de Polignac number, because 13243300513 - 2²¹ = 13241203361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13243300313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14363206 + ... + 14364127.

It is an arithmetic number, because the mean of its divisors is an integer number (3318007077).

Almost surely, 2^13243300513 is an apocalyptic number.

It is an amenable number.

13243300513 is a deficient number, since it is larger than the sum of its proper divisors (28727795).

13243300513 is an equidigital number, since it uses as much as digits as its factorization.

13243300513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28727794.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 13243300513 its reverse (31500334231), we get a palindrome (44743634744).

The spelling of 13243300513 in words is "thirteen billion, two hundred forty-three million, three hundred thousand, five hundred thirteen".