13500320311 has 2 divisors, whose sum is σ = 13500320312. Its totient is φ = 13500320310.

The previous prime is 13500320243. The next prime is 13500320321. The reversal of 13500320311 is 11302300531.

13500320311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (11302300531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13500320311 - 2¹¹ = 13500318263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13500320321) 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 as a sum of consecutive naturals, namely, 6750160155 + 6750160156.

It is an arithmetic number, because the mean of its divisors is an integer number (6750160156).

Almost surely, 2^13500320311 is an apocalyptic number.

13500320311 is a deficient number, since it is larger than the sum of its proper divisors (1).

13500320311 is an equidigital number, since it uses as much as digits as its factorization.

13500320311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 19.

Adding to 13500320311 its reverse (11302300531), we get a palindrome (24802620842).

The spelling of 13500320311 in words is "thirteen billion, five hundred million, three hundred twenty thousand, three hundred eleven".