213130333 has 4 divisors (see below), whose sum is σ = 229524988. Its totient is φ = 196735680.

The previous prime is 213130327. The next prime is 213130409. The reversal of 213130333 is 333031312.

213130333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 46539684 + 166590649 = 6822^2 + 12907^2 .

It is a cyclic number.

It is not a de Polignac number, because 213130333 - 2¹⁷ = 212999261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213130333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213130303) 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, 8197308 + ... + 8197333.

It is an arithmetic number, because the mean of its divisors is an integer number (57381247).

Almost surely, 2^213130333 is an apocalyptic number.

It is an amenable number.

213130333 is a deficient number, since it is larger than the sum of its proper divisors (16394655).

213130333 is a wasteful number, since it uses less digits than its factorization.

213130333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16394654.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 213130333 is about 14598.9839714961. The cubic root of 213130333 is about 597.3310463400.

Adding to 213130333 its reverse (333031312), we get a palindrome (546161645).

The spelling of 213130333 in words is "two hundred thirteen million, one hundred thirty thousand, three hundred thirty-three".