33133010213 has 4 divisors (see below), whose sum is σ = 33134881068. Its totient is φ = 33131139360.

The previous prime is 33133010189. The next prime is 33133010221. The reversal of 33133010213 is 31201033133.

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 7768307044 + 25364703169 = 88138^2 + 159263^2 .

It is a cyclic number.

It is not a de Polignac number, because 33133010213 - 2¹⁸ = 33132748069 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 (33133010263) 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, 908606 + ... + 944367.

It is an arithmetic number, because the mean of its divisors is an integer number (8283720267).

Almost surely, 2^33133010213 is an apocalyptic number.

It is an amenable number.

33133010213 is a deficient number, since it is larger than the sum of its proper divisors (1870855).

33133010213 is a wasteful number, since it uses less digits than its factorization.

33133010213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870854.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 33133010213 its reverse (31201033133), we get a palindrome (64334043346).

The spelling of 33133010213 in words is "thirty-three billion, one hundred thirty-three million, ten thousand, two hundred thirteen".