33130221333 has 16 divisors (see below), whose sum is σ = 51024085056. Its totient is φ = 18897808640.

The previous prime is 33130221323. The next prime is 33130221379. The reversal of 33130221333 is 33312203133.

It is a cyclic number.

It is not a de Polignac number, because 33130221333 - 2¹⁰ = 33130220309 is a prime.

It is a super-2 number, since 2×33130221333² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130221323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29527266 + ... + 29528387.

It is an arithmetic number, because the mean of its divisors is an integer number (3189005316).

Almost surely, 2^33130221333 is an apocalyptic number.

33130221333 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

33130221333 is a deficient number, since it is larger than the sum of its proper divisors (17893863723).

33130221333 is a wasteful number, since it uses less digits than its factorization.

33130221333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59055684.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 33130221333 its reverse (33312203133), we get a palindrome (66442424466).

The spelling of 33130221333 in words is "thirty-three billion, one hundred thirty million, two hundred twenty-one thousand, three hundred thirty-three".