3213023309 has 2 divisors, whose sum is σ = 3213023310. Its totient is φ = 3213023308.

The previous prime is 3213023243. The next prime is 3213023321. The reversal of 3213023309 is 9033203123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2917080100 + 295943209 = 54010^2 + 17203^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213023309 - 2²⁸ = 2944587853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213023609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606511654 + 1606511655.

It is an arithmetic number, because the mean of its divisors is an integer number (1606511655).

Almost surely, 2^3213023309 is an apocalyptic number.

It is an amenable number.

3213023309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213023309 is an equidigital number, since it uses as much as digits as its factorization.

3213023309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 3213023309 is about 56683.5364898839. The cubic root of 3213023309 is about 1475.6089886335.

The spelling of 3213023309 in words is "three billion, two hundred thirteen million, twenty-three thousand, three hundred nine".