213033133 has 8 divisors (see below), whose sum is σ = 216937952. Its totient is φ = 209149776.

The previous prime is 213033131. The next prime is 213033151. The reversal of 213033133 is 331330312.

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

It is a cyclic number.

It is not a de Polignac number, because 213033133 - 2¹ = 213033131 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 213033133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213033131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15391 + ... + 25747.

It is an arithmetic number, because the mean of its divisors is an integer number (27117244).

Almost surely, 2^213033133 is an apocalyptic number.

It is an amenable number.

213033133 is a deficient number, since it is larger than the sum of its proper divisors (3904819).

213033133 is a wasteful number, since it uses less digits than its factorization.

213033133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10731.

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

The square root of 213033133 is about 14595.6545930630. The cubic root of 213033133 is about 597.2402264718.

Adding to 213033133 its reverse (331330312), we get a palindrome (544363445).

The spelling of 213033133 in words is "two hundred thirteen million, thirty-three thousand, one hundred thirty-three".