33204423213 has 24 divisors (see below), whose sum is σ = 51956985080. Its totient is φ = 20433479040.

The previous prime is 33204423193. The next prime is 33204423229. The reversal of 33204423213 is 31232440233.

33204423213 is a `hidden beast` number, since 3 + 3 + 2 + 0 + 442 + 3 + 213 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3459557124 + 29744866089 = 58818^2 + 172467^2 .

It is not a de Polignac number, because 33204423213 - 2⁵ = 33204423181 is a prime.

It is a super-2 number, since 2×33204423213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33204423233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 819868 + ... + 859413.

Almost surely, 2^33204423213 is an apocalyptic number.

It is an amenable number.

33204423213 is a deficient number, since it is larger than the sum of its proper divisors (18752561867).

33204423213 is a wasteful number, since it uses less digits than its factorization.

33204423213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679326 (or 1679297 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 33204423213 its reverse (31232440233), we get a palindrome (64436863446).

The spelling of 33204423213 in words is "thirty-three billion, two hundred four million, four hundred twenty-three thousand, two hundred thirteen".