213241303213 has 4 divisors (see below), whose sum is σ = 213283276668. Its totient is φ = 213199329760.

The previous prime is 213241303201. The next prime is 213241303217. The reversal of 213241303213 is 312303142312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137958016329 + 75283286884 = 371427^2 + 274378^2 .

It is a cyclic number.

It is not a de Polignac number, because 213241303213 - 2⁵ = 213241303181 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 (213241303217) 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, 20979106 + ... + 20989267.

It is an arithmetic number, because the mean of its divisors is an integer number (53320819167).

Almost surely, 2^213241303213 is an apocalyptic number.

It is an amenable number.

213241303213 is a deficient number, since it is larger than the sum of its proper divisors (41973455).

213241303213 is an equidigital number, since it uses as much as digits as its factorization.

213241303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41973454.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 213241303213 its reverse (312303142312), we get a palindrome (525544445525).

The spelling of 213241303213 in words is "two hundred thirteen billion, two hundred forty-one million, three hundred three thousand, two hundred thirteen".