213513221033 has 16 divisors (see below), whose sum is σ = 245155470336. Its totient is φ = 182157066000.

The previous prime is 213513221023. The next prime is 213513221111. The reversal of 213513221033 is 330122315312.

213513221033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213513221033 - 2¹⁶ = 213513155497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213513220993 and 213513221011.

It is not an unprimeable number, because it can be changed into a prime (213513221023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2564660 + ... + 2646602.

It is an arithmetic number, because the mean of its divisors is an integer number (15322216896).

Almost surely, 2^213513221033 is an apocalyptic number.

It is an amenable number.

213513221033 is a deficient number, since it is larger than the sum of its proper divisors (31642249303).

213513221033 is a wasteful number, since it uses less digits than its factorization.

213513221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83684.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 213513221033 its reverse (330122315312), we get a palindrome (543635536345).

The spelling of 213513221033 in words is "two hundred thirteen billion, five hundred thirteen million, two hundred twenty-one thousand, thirty-three".