33320233213 has 2 divisors, whose sum is σ = 33320233214. Its totient is φ = 33320233212.

The previous prime is 33320233201. The next prime is 33320233229. The reversal of 33320233213 is 31233202333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18245795929 + 15074437284 = 135077^2 + 122778^2 .

It is a cyclic number.

It is not a de Polignac number, because 33320233213 - 2²⁵ = 33286678781 is a prime.

It is a super-2 number, since 2×33320233213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33320233813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16660116606 + 16660116607.

It is an arithmetic number, because the mean of its divisors is an integer number (16660116607).

Almost surely, 2^33320233213 is an apocalyptic number.

It is an amenable number.

33320233213 is a deficient number, since it is larger than the sum of its proper divisors (1).

33320233213 is an equidigital number, since it uses as much as digits as its factorization.

33320233213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 33320233213 its reverse (31233202333), we get a palindrome (64553435546).

The spelling of 33320233213 in words is "thirty-three billion, three hundred twenty million, two hundred thirty-three thousand, two hundred thirteen".