13243344241 has 2 divisors, whose sum is σ = 13243344242. Its totient is φ = 13243344240.

The previous prime is 13243344229. The next prime is 13243344329. The reversal of 13243344241 is 14244334231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9522832225 + 3720512016 = 97585^2 + 60996^2 .

It is a cyclic number.

It is not a de Polignac number, because 13243344241 - 2⁵ = 13243344209 is a prime.

It is not a weakly prime, because it can be changed into another prime (13243344221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621672120 + 6621672121.

It is an arithmetic number, because the mean of its divisors is an integer number (6621672121).

Almost surely, 2^13243344241 is an apocalyptic number.

It is an amenable number.

13243344241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13243344241 is an equidigital number, since it uses as much as digits as its factorization.

13243344241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 31.

Adding to 13243344241 its reverse (14244334231), we get a palindrome (27487678472).

The spelling of 13243344241 in words is "thirteen billion, two hundred forty-three million, three hundred forty-four thousand, two hundred forty-one".