13131022321211 has 2 divisors, whose sum is σ = 13131022321212. Its totient is φ = 13131022321210.

The previous prime is 13131022321201. The next prime is 13131022321213. The reversal of 13131022321211 is 11212322013131.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11212322013131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13131022321211 - 2³⁰ = 13129948579387 is a prime.

Together with 13131022321213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13131022321213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565511160605 + 6565511160606.

It is an arithmetic number, because the mean of its divisors is an integer number (6565511160606).

Almost surely, 2^{13131022321211} is an apocalyptic number.

13131022321211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13131022321211 is an equidigital number, since it uses as much as digits as its factorization.

13131022321211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 13131022321211 its reverse (11212322013131), we get a palindrome (24343344334342).

The spelling of 13131022321211 in words is "thirteen trillion, one hundred thirty-one billion, twenty-two million, three hundred twenty-one thousand, two hundred eleven".