213313203 has 16 divisors (see below), whose sum is σ = 316252960. Its totient is φ = 142103808.

The previous prime is 213313187. The next prime is 213313211. The reversal of 213313203 is 302313312.

It is not a de Polignac number, because 213313203 - 2⁴ = 213313187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213313223) 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, 55851 + ... + 59547.

It is an arithmetic number, because the mean of its divisors is an integer number (19765810).

Almost surely, 2^213313203 is an apocalyptic number.

213313203 is a deficient number, since it is larger than the sum of its proper divisors (102939757).

213313203 is a wasteful number, since it uses less digits than its factorization.

213313203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5843 (or 5837 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 213313203 is about 14605.2457356937. The cubic root of 213313203 is about 597.5018380807.

Adding to 213313203 its reverse (302313312), we get a palindrome (515626515).

The spelling of 213313203 in words is "two hundred thirteen million, three hundred thirteen thousand, two hundred three".