11231317 has 2 divisors, whose sum is σ = 11231318. Its totient is φ = 11231316.

The previous prime is 11231293. The next prime is 11231329. The reversal of 11231317 is 71313211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11229201 + 2116 = 3351^2 + 46^2 .

It is an emirp because it is prime and its reverse (71313211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11231317 is a prime.

It is a super-2 number, since 2×11231317² = 252284963108978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231294 and 11231303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11231357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615658 + 5615659.

It is an arithmetic number, because the mean of its divisors is an integer number (5615659).

Almost surely, 2^11231317 is an apocalyptic number.

It is an amenable number.

11231317 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231317 is an equidigital number, since it uses as much as digits as its factorization.

11231317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126, while the sum is 19.

The square root of 11231317 is about 3351.3157117765. The cubic root of 11231317 is about 223.9461299561.

Adding to 11231317 its reverse (71313211), we get a palindrome (82544528).

The spelling of 11231317 in words is "eleven million, two hundred thirty-one thousand, three hundred seventeen".