13121303311 has 2 divisors, whose sum is σ = 13121303312. Its totient is φ = 13121303310.

The previous prime is 13121303297. The next prime is 13121303329. The reversal of 13121303311 is 11330312131.

13121303311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13121303311 - 2²¹ = 13119206159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13121373311) 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, 6560651655 + 6560651656.

It is an arithmetic number, because the mean of its divisors is an integer number (6560651656).

Almost surely, 2^13121303311 is an apocalyptic number.

13121303311 is a deficient number, since it is larger than the sum of its proper divisors (1).

13121303311 is an equidigital number, since it uses as much as digits as its factorization.

13121303311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13121303311 its reverse (11330312131), we get a palindrome (24451615442).

The spelling of 13121303311 in words is "thirteen billion, one hundred twenty-one million, three hundred three thousand, three hundred eleven".