213113030443 has 4 divisors (see below), whose sum is σ = 213115553280. Its totient is φ = 213110507608.

The previous prime is 213113030437. The next prime is 213113030483. The reversal of 213113030443 is 344030311312.

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

It is a cyclic number.

It is not a de Polignac number, because 213113030443 - 2⁹ = 213113029931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213113030483) 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, 1130155 + ... + 1305172.

It is an arithmetic number, because the mean of its divisors is an integer number (53278888320).

Almost surely, 2^213113030443 is an apocalyptic number.

213113030443 is a deficient number, since it is larger than the sum of its proper divisors (2522837).

213113030443 is an equidigital number, since it uses as much as digits as its factorization.

213113030443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522836.

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

Adding to 213113030443 its reverse (344030311312), we get a palindrome (557143341755).

The spelling of 213113030443 in words is "two hundred thirteen billion, one hundred thirteen million, thirty thousand, four hundred forty-three".