213303021213 has 16 divisors (see below), whose sum is σ = 285357271680. Its totient is φ = 141725535744.

The previous prime is 213303021187. The next prime is 213303021229. The reversal of 213303021213 is 312120303312.

It is not a de Polignac number, because 213303021213 - 2¹⁴ = 213303004829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213303021213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213303021263) 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, 7844920 + ... + 7872062.

It is an arithmetic number, because the mean of its divisors is an integer number (17834829480).

Almost surely, 2^213303021213 is an apocalyptic number.

It is an amenable number.

213303021213 is a deficient number, since it is larger than the sum of its proper divisors (72054250467).

213303021213 is a wasteful number, since it uses less digits than its factorization.

213303021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35828.

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

Adding to 213303021213 its reverse (312120303312), we get a palindrome (525423324525).

The spelling of 213303021213 in words is "two hundred thirteen billion, three hundred three million, twenty-one thousand, two hundred thirteen".