213331204333 has 4 divisors (see below), whose sum is σ = 229741296988. Its totient is φ = 196921111680.

The previous prime is 213331204313. The next prime is 213331204363. The reversal of 213331204333 is 333402133312.

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 44572921129 + 168758283204 = 211123^2 + 410802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213331204333 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 (213331204313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8205046308 + ... + 8205046333.

It is an arithmetic number, because the mean of its divisors is an integer number (57435324247).

Almost surely, 2^213331204333 is an apocalyptic number.

It is an amenable number.

213331204333 is a deficient number, since it is larger than the sum of its proper divisors (16410092655).

213331204333 is a wasteful number, since it uses less digits than its factorization.

213331204333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16410092654.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 213331204333 its reverse (333402133312), we get a palindrome (546733337645).

The spelling of 213331204333 in words is "two hundred thirteen billion, three hundred thirty-one million, two hundred four thousand, three hundred thirty-three".