13143311065 has 24 divisors (see below), whose sum is σ = 16767210240. Its totient is φ = 9888523008.

The previous prime is 13143311063. The next prime is 13143311119. The reversal of 13143311065 is 56011334131.

13143311065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13143311065 - 2¹ = 13143311063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13143311063) 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 23 ways as a sum of consecutive naturals, for example, 2487096 + ... + 2492374.

It is an arithmetic number, because the mean of its divisors is an integer number (698633760).

Almost surely, 2^13143311065 is an apocalyptic number.

It is an amenable number.

13143311065 is a deficient number, since it is larger than the sum of its proper divisors (3623899175).

13143311065 is a wasteful number, since it uses less digits than its factorization.

13143311065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7041 (or 7024 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 13143311065 its reverse (56011334131), we get a palindrome (69154645196).

The spelling of 13143311065 in words is "thirteen billion, one hundred forty-three million, three hundred eleven thousand, sixty-five".