213012322003 has 4 divisors (see below), whose sum is σ = 229397885248. Its totient is φ = 196626758760.

The previous prime is 213012321959. The next prime is 213012322027. The reversal of 213012322003 is 300223210312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213012322003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213012322043) 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, 8192781603 + ... + 8192781628.

It is an arithmetic number, because the mean of its divisors is an integer number (57349471312).

Almost surely, 2^213012322003 is an apocalyptic number.

213012322003 is a deficient number, since it is larger than the sum of its proper divisors (16385563245).

213012322003 is a wasteful number, since it uses less digits than its factorization.

213012322003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16385563244.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213012322003 its reverse (300223210312), we get a palindrome (513235532315).

The spelling of 213012322003 in words is "two hundred thirteen billion, twelve million, three hundred twenty-two thousand, three".