33010213 has 4 divisors (see below), whose sum is σ = 33029100. Its totient is φ = 32991328.

The previous prime is 33010193. The next prime is 33010217. The reversal of 33010213 is 31201033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31201033 = 283 ⋅110251.

It can be written as a sum of positive squares in 2 ways, for example, as 19342404 + 13667809 = 4398^2 + 3697^2 .

It is a cyclic number.

It is not a de Polignac number, because 33010213 - 2⁵ = 33010181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33010193 and 33010202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33010217) 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, 6520 + ... + 10417.

It is an arithmetic number, because the mean of its divisors is an integer number (8257275).

Almost surely, 2^33010213 is an apocalyptic number.

It is an amenable number.

33010213 is a deficient number, since it is larger than the sum of its proper divisors (18887).

33010213 is a wasteful number, since it uses less digits than its factorization.

33010213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18886.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 33010213 is about 5745.4515053214. The cubic root of 33010213 is about 320.7865190291.

Adding to 33010213 its reverse (31201033), we get a palindrome (64211246).

The spelling of 33010213 in words is "thirty-three million, ten thousand, two hundred thirteen".