11030309 has 4 divisors (see below), whose sum is σ = 11133504. Its totient is φ = 10927116.

The previous prime is 11030303. The next prime is 11030339. The reversal of 11030309 is 90303011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11030309 - 2⁴ = 11030293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030303) 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 in 3 ways as a sum of consecutive naturals, for example, 51437 + ... + 51650.

It is an arithmetic number, because the mean of its divisors is an integer number (2783376).

Almost surely, 2^11030309 is an apocalyptic number.

It is an amenable number.

11030309 is a deficient number, since it is larger than the sum of its proper divisors (103195).

11030309 is a wasteful number, since it uses less digits than its factorization.

11030309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103194.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 11030309 is about 3321.1909008667. The cubic root of 11030309 is about 222.6020842001.

The spelling of 11030309 in words is "eleven million, thirty thousand, three hundred nine".