33323332213 has 4 divisors (see below), whose sum is σ = 34772172768. Its totient is φ = 31874491660.

The previous prime is 33323332199. The next prime is 33323332249. The reversal of 33323332213 is 31223332333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31223332333 = 1117 ⋅27952849.

It is a cyclic number.

It is not a de Polignac number, because 33323332213 - 2⁵ = 33323332181 is a prime.

It is a super-2 number, since 2×33323332213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33323332253) 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 3 ways as a sum of consecutive naturals, for example, 724420243 + ... + 724420288.

It is an arithmetic number, because the mean of its divisors is an integer number (8693043192).

Almost surely, 2^33323332213 is an apocalyptic number.

It is an amenable number.

33323332213 is a deficient number, since it is larger than the sum of its proper divisors (1448840555).

33323332213 is a wasteful number, since it uses less digits than its factorization.

33323332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448840554.

The product of its digits is 17496, while the sum is 28.

Adding to 33323332213 its reverse (31223332333), we get a palindrome (64546664546).

The spelling of 33323332213 in words is "thirty-three billion, three hundred twenty-three million, three hundred thirty-two thousand, two hundred thirteen".