133330233213 has 12 divisors (see below), whose sum is σ = 192599413500. Its totient is φ = 88881607296.

The previous prime is 133330233193. The next prime is 133330233247. The reversal of 133330233213 is 312332033331.

133330233213 is a `hidden beast` number, since 1 + 3 + 3 + 330 + 2 + 3 + 321 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 85160079684 + 48170153529 = 291822^2 + 219477^2 .

It is not a de Polignac number, because 133330233213 - 2¹² = 133330229117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133330233713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269338 + ... + 582411.

It is an arithmetic number, because the mean of its divisors is an integer number (16049951125).

Almost surely, 2^133330233213 is an apocalyptic number.

It is an amenable number.

133330233213 is a deficient number, since it is larger than the sum of its proper divisors (59269180287).

133330233213 is a wasteful number, since it uses less digits than its factorization.

133330233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869148 (or 869145 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 27.

Adding to 133330233213 its reverse (312332033331), we get a palindrome (445662266544).

The spelling of 133330233213 in words is "one hundred thirty-three billion, three hundred thirty million, two hundred thirty-three thousand, two hundred thirteen".