13243430111 has 2 divisors, whose sum is σ = 13243430112. Its totient is φ = 13243430110.

The previous prime is 13243430093. The next prime is 13243430119. The reversal of 13243430111 is 11103434231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13243430111 - 2¹⁸ = 13243167967 is a prime.

It is a super-2 number, since 2×13243430111² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13243430119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621715055 + 6621715056.

It is an arithmetic number, because the mean of its divisors is an integer number (6621715056).

Almost surely, 2^13243430111 is an apocalyptic number.

13243430111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13243430111 is an equidigital number, since it uses as much as digits as its factorization.

13243430111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13243430111 its reverse (11103434231), we get a palindrome (24346864342).

The spelling of 13243430111 in words is "thirteen billion, two hundred forty-three million, four hundred thirty thousand, one hundred eleven".