93331213 has 2 divisors, whose sum is σ = 93331214. Its totient is φ = 93331212.

The previous prime is 93331187. The next prime is 93331243. The reversal of 93331213 is 31213339.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49744809 + 43586404 = 7053^2 + 6602^2 .

It is a cyclic number.

It is not a de Polignac number, because 93331213 - 2⁵ = 93331181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93331243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46665606 + 46665607.

It is an arithmetic number, because the mean of its divisors is an integer number (46665607).

Almost surely, 2^93331213 is an apocalyptic number.

It is an amenable number.

93331213 is a deficient number, since it is larger than the sum of its proper divisors (1).

93331213 is an equidigital number, since it uses as much as digits as its factorization.

93331213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 25.

The square root of 93331213 is about 9660.8080924941. The cubic root of 93331213 is about 453.6027060510.

The spelling of 93331213 in words is "ninety-three million, three hundred thirty-one thousand, two hundred thirteen".