213330307 has 2 divisors, whose sum is σ = 213330308. Its totient is φ = 213330306.

The previous prime is 213330289. The next prime is 213330317. The reversal of 213330307 is 703033312.

213330307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213330307 - 2⁷ = 213330179 is a prime.

It is a super-3 number, since 3×213330307³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (213330317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106665153 + 106665154.

It is an arithmetic number, because the mean of its divisors is an integer number (106665154).

Almost surely, 2^213330307 is an apocalyptic number.

213330307 is a deficient number, since it is larger than the sum of its proper divisors (1).

213330307 is an equidigital number, since it uses as much as digits as its factorization.

213330307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 22.

The square root of 213330307 is about 14605.8312669974. The cubic root of 213330307 is about 597.5178073975.

Adding to 213330307 its reverse (703033312), we get a palindrome (916363619).

The spelling of 213330307 in words is "two hundred thirteen million, three hundred thirty thousand, three hundred seven".