213113213332333 has 4 divisors (see below), whose sum is σ = 213117479315260. Its totient is φ = 213108947349408.

The previous prime is 213113213332309. The next prime is 213113213332337. The reversal of 213113213332333 is 333233312311312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 159068925736009 + 54044287596324 = 12612253^2 + 7351482^2 .

It is a cyclic number.

It is not a de Polignac number, because 213113213332333 - 2²¹ = 213113211235181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213113213332337) 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 3 ways as a sum of consecutive naturals, for example, 2132916528 + ... + 2133016441.

It is an arithmetic number, because the mean of its divisors is an integer number (53279369828815).

Almost surely, 2^{213113213332333} is an apocalyptic number.

It is an amenable number.

213113213332333 is a deficient number, since it is larger than the sum of its proper divisors (4265982927).

213113213332333 is an equidigital number, since it uses as much as digits as its factorization.

213113213332333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265982926.

The product of its digits is 52488, while the sum is 34.

Adding to 213113213332333 its reverse (333233312311312), we get a palindrome (546346525643645).

The spelling of 213113213332333 in words is "two hundred thirteen trillion, one hundred thirteen billion, two hundred thirteen million, three hundred thirty-two thousand, three hundred thirty-three".