13111223112311 has 2 divisors, whose sum is σ = 13111223112312. Its totient is φ = 13111223112310.

The previous prime is 13111223112259. The next prime is 13111223112343. The reversal of 13111223112311 is 11321132211131.

It is a strong prime.

It is an emirp because it is prime and its reverse (11321132211131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13111223112311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13111223115311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555611556155 + 6555611556156.

It is an arithmetic number, because the mean of its divisors is an integer number (6555611556156).

Almost surely, 2^{13111223112311} is an apocalyptic number.

13111223112311 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111223112311 is an equidigital number, since it uses as much as digits as its factorization.

13111223112311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 23.

Adding to 13111223112311 its reverse (11321132211131), we get a palindrome (24432355323442).

The spelling of 13111223112311 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty-three million, one hundred twelve thousand, three hundred eleven".