3217243109 has 2 divisors, whose sum is σ = 3217243110. Its totient is φ = 3217243108.

The previous prime is 3217243097. The next prime is 3217243157. The reversal of 3217243109 is 9013427123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3036340609 + 180902500 = 55103^2 + 13450^2 .

It is a cyclic number.

It is not a de Polignac number, because 3217243109 - 2¹⁶ = 3217177573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3217243189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608621554 + 1608621555.

It is an arithmetic number, because the mean of its divisors is an integer number (1608621555).

Almost surely, 2^3217243109 is an apocalyptic number.

It is an amenable number.

3217243109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3217243109 is an equidigital number, since it uses as much as digits as its factorization.

3217243109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3217243109 is about 56720.7467246333. The cubic root of 3217243109 is about 1476.2546993589.

The spelling of 3217243109 in words is "three billion, two hundred seventeen million, two hundred forty-three thousand, one hundred nine".