213102230321003 has 4 divisors (see below), whose sum is σ = 218299845694728. Its totient is φ = 207904614947280.

The previous prime is 213102230320997. The next prime is 213102230321027. The reversal of 213102230321003 is 300123032201312.

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 213102230321003 - 2⁴⁴ = 195510044276587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213102230321003.

It is not an unprimeable number, because it can be changed into a prime (213102230321203) 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, 2598807686801 + ... + 2598807686882.

It is an arithmetic number, because the mean of its divisors is an integer number (54574961423682).

Almost surely, 2^{213102230321003} is an apocalyptic number.

213102230321003 is a deficient number, since it is larger than the sum of its proper divisors (5197615373725).

213102230321003 is an equidigital number, since it uses as much as digits as its factorization.

213102230321003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197615373724.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213102230321003 its reverse (300123032201312), we get a palindrome (513225262522315).

The spelling of 213102230321003 in words is "two hundred thirteen trillion, one hundred two billion, two hundred thirty million, three hundred twenty-one thousand, three".