11321243317 has 2 divisors, whose sum is σ = 11321243318. Its totient is φ = 11321243316.

The previous prime is 11321243293. The next prime is 11321243357. The reversal of 11321243317 is 71334212311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10901239281 + 420004036 = 104409^2 + 20494^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321243317 - 2²⁷ = 11187025589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321243357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660621658 + 5660621659.

It is an arithmetic number, because the mean of its divisors is an integer number (5660621659).

Almost surely, 2^11321243317 is an apocalyptic number.

It is an amenable number.

11321243317 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321243317 is an equidigital number, since it uses as much as digits as its factorization.

11321243317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

Adding to 11321243317 its reverse (71334212311), we get a palindrome (82655455628).

The spelling of 11321243317 in words is "eleven billion, three hundred twenty-one million, two hundred forty-three thousand, three hundred seventeen".