213213433334 has 16 divisors (see below), whose sum is σ = 357008541120. Its totient is φ = 94661354760.

The previous prime is 213213433333. The next prime is 213213433343. The reversal of 213213433334 is 433334312312.

213213433334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 213213433334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213213433333) 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 7 ways as a sum of consecutive naturals, for example, 112691144 + ... + 112693035.

It is an arithmetic number, because the mean of its divisors is an integer number (22313033820).

Almost surely, 2^213213433334 is an apocalyptic number.

213213433334 is a deficient number, since it is larger than the sum of its proper divisors (143795107786).

213213433334 is a wasteful number, since it uses less digits than its factorization.

213213433334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225384235.

The product of its digits is 46656, while the sum is 32.

Adding to 213213433334 its reverse (433334312312), we get a palindrome (646547745646).

The spelling of 213213433334 in words is "two hundred thirteen billion, two hundred thirteen million, four hundred thirty-three thousand, three hundred thirty-four".