11311043 has 2 divisors, whose sum is σ = 11311044. Its totient is φ = 11311042.

The previous prime is 11311033. The next prime is 11311049. The reversal of 11311043 is 34011311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11311043 - 2⁸ = 11310787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11311049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655521 + 5655522.

It is an arithmetic number, because the mean of its divisors is an integer number (5655522).

Almost surely, 2^11311043 is an apocalyptic number.

11311043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311043 is an equidigital number, since it uses as much as digits as its factorization.

11311043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 11311043 is about 3363.1894088796. The cubic root of 11311043 is about 224.4747782109.

Adding to 11311043 its reverse (34011311), we get a palindrome (45322354).

The spelling of 11311043 in words is "eleven million, three hundred eleven thousand, forty-three".