213540030213 has 16 divisors (see below), whose sum is σ = 289587108096. Its totient is φ = 139929704640.

The previous prime is 213540030167. The next prime is 213540030241. The reversal of 213540030213 is 312030045312.

It is not a de Polignac number, because 213540030213 - 2⁶ = 213540030149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213540032213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135645 + ... + 667442.

It is an arithmetic number, because the mean of its divisors is an integer number (18099194256).

Almost surely, 2^213540030213 is an apocalyptic number.

It is an amenable number.

213540030213 is a deficient number, since it is larger than the sum of its proper divisors (76047077883).

213540030213 is a wasteful number, since it uses less digits than its factorization.

213540030213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804604.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 213540030213 its reverse (312030045312), we get a palindrome (525570075525).

The spelling of 213540030213 in words is "two hundred thirteen billion, five hundred forty million, thirty thousand, two hundred thirteen".