13711243243 has 2 divisors, whose sum is σ = 13711243244. Its totient is φ = 13711243242.

The previous prime is 13711243229. The next prime is 13711243279. The reversal of 13711243243 is 34234211731.

It is a weak prime.

It is an emirp because it is prime and its reverse (34234211731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13711243243 is a prime.

It is not a weakly prime, because it can be changed into another prime (13711243043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6855621621 + 6855621622.

It is an arithmetic number, because the mean of its divisors is an integer number (6855621622).

Almost surely, 2^13711243243 is an apocalyptic number.

13711243243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13711243243 is an equidigital number, since it uses as much as digits as its factorization.

13711243243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

Adding to 13711243243 its reverse (34234211731), we get a palindrome (47945454974).

The spelling of 13711243243 in words is "thirteen billion, seven hundred eleven million, two hundred forty-three thousand, two hundred forty-three".