11103311 has 2 divisors, whose sum is σ = 11103312. Its totient is φ = 11103310.

The previous prime is 11103271. The next prime is 11103343. The reversal of 11103311 is 11330111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11103311 - 2⁶ = 11103247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11103292 and 11103301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100311) 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, 5551655 + 5551656.

It is an arithmetic number, because the mean of its divisors is an integer number (5551656).

Almost surely, 2^11103311 is an apocalyptic number.

11103311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103311 is an equidigital number, since it uses as much as digits as its factorization.

11103311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 11103311 is about 3332.1631112537. The cubic root of 11103311 is about 223.0920879565.

Adding to 11103311 its reverse (11330111), we get a palindrome (22433422).

The spelling of 11103311 in words is "eleven million, one hundred three thousand, three hundred eleven".