3311330221 has 2 divisors, whose sum is σ = 3311330222. Its totient is φ = 3311330220.

The previous prime is 3311330117. The next prime is 3311330249. The reversal of 3311330221 is 1220331133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3277562500 + 33767721 = 57250^2 + 5811^2 .

It is a cyclic number.

It is not a de Polignac number, because 3311330221 - 2¹⁵ = 3311297453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3311330521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655665110 + 1655665111.

It is an arithmetic number, because the mean of its divisors is an integer number (1655665111).

Almost surely, 2^3311330221 is an apocalyptic number.

It is an amenable number.

3311330221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3311330221 is an equidigital number, since it uses as much as digits as its factorization.

3311330221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3311330221 is about 57544.1588782041. The cubic root of 3311330221 is about 1490.5074951001.

Adding to 3311330221 its reverse (1220331133), we get a palindrome (4531661354).

The spelling of 3311330221 in words is "three billion, three hundred eleven million, three hundred thirty thousand, two hundred twenty-one".