33003220213 has 4 divisors (see below), whose sum is σ = 33174221548. Its totient is φ = 32832218880.

The previous prime is 33003220193. The next prime is 33003220247. The reversal of 33003220213 is 31202230033.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31202230033 = 13 ⋅2400171541.

It can be written as a sum of positive squares in 2 ways, for example, as 23379021604 + 9624198609 = 152902^2 + 98103^2 .

It is a cyclic number.

It is not a de Polignac number, because 33003220213 - 2⁹ = 33003219701 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 (33003220253) 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, 85500378 + ... + 85500763.

It is an arithmetic number, because the mean of its divisors is an integer number (8293555387).

Almost surely, 2^33003220213 is an apocalyptic number.

It is an amenable number.

33003220213 is a deficient number, since it is larger than the sum of its proper divisors (171001335).

33003220213 is a wasteful number, since it uses less digits than its factorization.

33003220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171001334.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 33003220213 its reverse (31202230033), we get a palindrome (64205450246).

The spelling of 33003220213 in words is "thirty-three billion, three million, two hundred twenty thousand, two hundred thirteen".