3311309 has 2 divisors, whose sum is σ = 3311310. Its totient is φ = 3311308.

The previous prime is 3311303. The next prime is 3311317. The reversal of 3311309 is 9031133.

3311309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2706025 + 605284 = 1645^2 + 778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3311309 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3311303) 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, 1655654 + 1655655.

It is an arithmetic number, because the mean of its divisors is an integer number (1655655).

Almost surely, 2^3311309 is an apocalyptic number.

It is an amenable number.

3311309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3311309 is an equidigital number, since it uses as much as digits as its factorization.

3311309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 3311309 is about 1819.7002500412. The cubic root of 3311309 is about 149.0504311070.

The spelling of 3311309 in words is "three million, three hundred eleven thousand, three hundred nine".