213443224103 has 4 divisors (see below), whose sum is σ = 216449466768. Its totient is φ = 210436981440.

The previous prime is 213443224091. The next prime is 213443224123. The reversal of 213443224103 is 301422344312.

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 213443224103 - 2¹² = 213443220007 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 (213443224123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503121226 + ... + 1503121367.

It is an arithmetic number, because the mean of its divisors is an integer number (54112366692).

Almost surely, 2^213443224103 is an apocalyptic number.

213443224103 is a deficient number, since it is larger than the sum of its proper divisors (3006242665).

213443224103 is an equidigital number, since it uses as much as digits as its factorization.

213443224103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006242664.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 213443224103 its reverse (301422344312), we get a palindrome (514865568415).

The spelling of 213443224103 in words is "two hundred thirteen billion, four hundred forty-three million, two hundred twenty-four thousand, one hundred three".