213013230213 has 16 divisors (see below), whose sum is σ = 335062286336. Its totient is φ = 117795334320.

The previous prime is 213013230161. The next prime is 213013230233. The reversal of 213013230213 is 312032310312.

It is not a de Polignac number, because 213013230213 - 2⁹ = 213013229701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213013230213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213013230233) 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, 163603981 + ... + 163605282.

It is an arithmetic number, because the mean of its divisors is an integer number (20941392896).

Almost surely, 2^213013230213 is an apocalyptic number.

It is an amenable number.

213013230213 is a deficient number, since it is larger than the sum of its proper divisors (122049056123).

213013230213 is a wasteful number, since it uses less digits than its factorization.

213013230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327209304.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213013230213 its reverse (312032310312), we get a palindrome (525045540525).

The spelling of 213013230213 in words is "two hundred thirteen billion, thirteen million, two hundred thirty thousand, two hundred thirteen".