13243313310311 has 4 divisors (see below), whose sum is σ = 15135215211792. Its totient is φ = 11351411408832.

The previous prime is 13243313310277. The next prime is 13243313310313. The reversal of 13243313310311 is 11301331334231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13243313310311 - 2¹⁴ = 13243313293927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243313310313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945950950730 + ... + 945950950743.

It is an arithmetic number, because the mean of its divisors is an integer number (3783803802948).

Almost surely, 2^{13243313310311} is an apocalyptic number.

13243313310311 is a deficient number, since it is larger than the sum of its proper divisors (1891901901481).

13243313310311 is an equidigital number, since it uses as much as digits as its factorization.

13243313310311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891901901480.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 13243313310311 its reverse (11301331334231), we get a palindrome (24544644644542).

The spelling of 13243313310311 in words is "thirteen trillion, two hundred forty-three billion, three hundred thirteen million, three hundred ten thousand, three hundred eleven".