213133323203 has 4 divisors (see below), whose sum is σ = 213362746440. Its totient is φ = 212903899968.

The previous prime is 213133323199. The next prime is 213133323211. The reversal of 213133323203 is 302323331312.

It is a happy number.

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 213133323203 - 2² = 213133323199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213133323233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114710225 + ... + 114712082.

It is an arithmetic number, because the mean of its divisors is an integer number (53340686610).

Almost surely, 2^213133323203 is an apocalyptic number.

213133323203 is a deficient number, since it is larger than the sum of its proper divisors (229423237).

213133323203 is an equidigital number, since it uses as much as digits as its factorization.

213133323203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229423236.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 213133323203 its reverse (302323331312), we get a palindrome (515456654515).

The spelling of 213133323203 in words is "two hundred thirteen billion, one hundred thirty-three million, three hundred twenty-three thousand, two hundred three".