213334412243 has 16 divisors (see below), whose sum is σ = 219516101376. Its totient is φ = 207211042080.

The previous prime is 213334412237. The next prime is 213334412327. The reversal of 213334412243 is 342214433312.

It is a cyclic number.

It is not a de Polignac number, because 213334412243 - 2⁸ = 213334411987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213334412233) 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, 6440921 + ... + 6473957.

It is an arithmetic number, because the mean of its divisors is an integer number (13719756336).

Almost surely, 2^213334412243 is an apocalyptic number.

213334412243 is a deficient number, since it is larger than the sum of its proper divisors (6181689133).

213334412243 is a wasteful number, since it uses less digits than its factorization.

213334412243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33914.

The product of its digits is 41472, while the sum is 32.

Adding to 213334412243 its reverse (342214433312), we get a palindrome (555548845555).

The spelling of 213334412243 in words is "two hundred thirteen billion, three hundred thirty-four million, four hundred twelve thousand, two hundred forty-three".