213213133323 has 36 divisors (see below), whose sum is σ = 334764792648. Its totient is φ = 130669539840.

The previous prime is 213213133229. The next prime is 213213133337. The reversal of 213213133323 is 323331312312.

213213133323 is a `hidden beast` number, since 2 + 1 + 3 + 21 + 313 + 3 + 323 = 666.

213213133323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213213133323 - 2²⁹ = 212676262411 is a prime.

It is a super-2 number, since 2×213213133323² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213213133723) 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 35 ways as a sum of consecutive naturals, for example, 841338 + ... + 1065023.

It is an arithmetic number, because the mean of its divisors is an integer number (9299022018).

Almost surely, 2^213213133323 is an apocalyptic number.

213213133323 is a deficient number, since it is larger than the sum of its proper divisors (121551659325).

213213133323 is a wasteful number, since it uses less digits than its factorization.

213213133323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906444 (or 1906424 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 213213133323 its reverse (323331312312), we get a palindrome (536544445635).

The spelling of 213213133323 in words is "two hundred thirteen billion, two hundred thirteen million, one hundred thirty-three thousand, three hundred twenty-three".