13111231310311 has 2 divisors, whose sum is σ = 13111231310312. Its totient is φ = 13111231310310.

The previous prime is 13111231310273. The next prime is 13111231310321. The reversal of 13111231310311 is 11301313211131.

It is a strong prime.

It is an emirp because it is prime and its reverse (11301313211131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13111231310311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13111231310321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555615655155 + 6555615655156.

It is an arithmetic number, because the mean of its divisors is an integer number (6555615655156).

Almost surely, 2^{13111231310311} is an apocalyptic number.

13111231310311 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111231310311 is an equidigital number, since it uses as much as digits as its factorization.

13111231310311 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 22.

Adding to 13111231310311 its reverse (11301313211131), we get a palindrome (24412544521442).

The spelling of 13111231310311 in words is "thirteen trillion, one hundred eleven billion, two hundred thirty-one million, three hundred ten thousand, three hundred eleven".