213320033 has 4 divisors (see below), whose sum is σ = 218281008. Its totient is φ = 208359060.

The previous prime is 213320017. The next prime is 213320039. The reversal of 213320033 is 330023312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213320033 - 2⁴ = 213320017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213319993 and 213320020.

It is not an unprimeable number, because it can be changed into a prime (213320039) 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, 2480423 + ... + 2480508.

It is an arithmetic number, because the mean of its divisors is an integer number (54570252).

Almost surely, 2^213320033 is an apocalyptic number.

It is an amenable number.

213320033 is a deficient number, since it is larger than the sum of its proper divisors (4960975).

213320033 is an equidigital number, since it uses as much as digits as its factorization.

213320033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960974.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 213320033 is about 14605.4795539209. The cubic root of 213320033 is about 597.5082150794.

Adding to 213320033 its reverse (330023312), we get a palindrome (543343345).

The spelling of 213320033 in words is "two hundred thirteen million, three hundred twenty thousand, thirty-three".