213213334 has 8 divisors (see below), whose sum is σ = 321158880. Its totient is φ = 106160376.

The previous prime is 213213317. The next prime is 213213347. The reversal of 213213334 is 433312312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222549 + ... + 223504.

It is an arithmetic number, because the mean of its divisors is an integer number (40144860).

Almost surely, 2^213213334 is an apocalyptic number.

213213334 is a deficient number, since it is larger than the sum of its proper divisors (107945546).

213213334 is a wasteful number, since it uses less digits than its factorization.

213213334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446294.

The product of its digits is 1296, while the sum is 22.

The square root of 213213334 is about 14601.8263926127. The cubic root of 213213334 is about 597.4085773651.

Adding to 213213334 its reverse (433312312), we get a palindrome (646525646).

The spelling of 213213334 in words is "two hundred thirteen million, two hundred thirteen thousand, three hundred thirty-four".