213113203203 has 16 divisors (see below), whose sum is σ = 285668352000. Its totient is φ = 141316917120.

The previous prime is 213113203187. The next prime is 213113203217. The reversal of 213113203203 is 302302311312.

It is not a de Polignac number, because 213113203203 - 2⁴ = 213113203187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213113203203.

It is not an unprimeable number, because it can be changed into a prime (213113203003) 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 15 ways as a sum of consecutive naturals, for example, 10211323 + ... + 10232171.

It is an arithmetic number, because the mean of its divisors is an integer number (17854272000).

Almost surely, 2^213113203203 is an apocalyptic number.

213113203203 is a deficient number, since it is larger than the sum of its proper divisors (72555148797).

213113203203 is a wasteful number, since it uses less digits than its factorization.

213113203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38882.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213113203203 its reverse (302302311312), we get a palindrome (515415514515).

The spelling of 213113203203 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred three thousand, two hundred three".