213013220213 has 4 divisors (see below), whose sum is σ = 215003998080. Its totient is φ = 211022442348.

The previous prime is 213013220207. The next prime is 213013220291. The reversal of 213013220213 is 312022310312.

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 213013220213 - 2²² = 213009025909 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 (213013225213) 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, 995388773 + ... + 995388986.

It is an arithmetic number, because the mean of its divisors is an integer number (53750999520).

Almost surely, 2^213013220213 is an apocalyptic number.

It is an amenable number.

213013220213 is a deficient number, since it is larger than the sum of its proper divisors (1990777867).

213013220213 is a wasteful number, since it uses less digits than its factorization.

213013220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990777866.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213013220213 its reverse (312022310312), we get a palindrome (525035530525).

Subtracting 213013220213 from its reverse (312022310312), we obtain a palindrome (99009090099).

The spelling of 213013220213 in words is "two hundred thirteen billion, thirteen million, two hundred twenty thousand, two hundred thirteen".