11309171 has 2 divisors, whose sum is σ = 11309172. Its totient is φ = 11309170.

The previous prime is 11309149. The next prime is 11309173. The reversal of 11309171 is 17190311.

11309171 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11309171 - 2⁶ = 11309107 is a prime.

Together with 11309173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11309173) 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, 5654585 + 5654586.

It is an arithmetic number, because the mean of its divisors is an integer number (5654586).

Almost surely, 2^11309171 is an apocalyptic number.

11309171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11309171 is an equidigital number, since it uses as much as digits as its factorization.

11309171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 11309171 is about 3362.9110901123. The cubic root of 11309171 is about 224.4623938544.

Adding to 11309171 its reverse (17190311), we get a palindrome (28499482).

It can be divided in two parts, 1130 and 9171, that added together give a palindrome (10301).

The spelling of 11309171 in words is "eleven million, three hundred nine thousand, one hundred seventy-one".