13311122230321 has 2 divisors, whose sum is σ = 13311122230322. Its totient is φ = 13311122230320.

The previous prime is 13311122230267. The next prime is 13311122230339. The reversal of 13311122230321 is 12303222111331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9419620339600 + 3891501890721 = 3069140^2 + 1972689^2 .

It is an emirp because it is prime and its reverse (12303222111331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13311122230321 - 2²³ = 13311113841713 is a prime.

It is not a weakly prime, because it can be changed into another prime (13311122230361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655561115160 + 6655561115161.

It is an arithmetic number, because the mean of its divisors is an integer number (6655561115161).

Almost surely, 2^{13311122230321} is an apocalyptic number.

It is an amenable number.

13311122230321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311122230321 is an equidigital number, since it uses as much as digits as its factorization.

13311122230321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13311122230321 its reverse (12303222111331), we get a palindrome (25614344341652).

The spelling of 13311122230321 in words is "thirteen trillion, three hundred eleven billion, one hundred twenty-two million, two hundred thirty thousand, three hundred twenty-one".