213203313 has 32 divisors (see below), whose sum is σ = 337497600. Its totient is φ = 132623568.

The previous prime is 213203293. The next prime is 213203323. The reversal of 213203313 is 313302312.

It is not a de Polignac number, because 213203313 - 2¹⁴ = 213186929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213203323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31270 + ... + 37472.

It is an arithmetic number, because the mean of its divisors is an integer number (10546800).

Almost surely, 2^213203313 is an apocalyptic number.

It is an amenable number.

213203313 is a deficient number, since it is larger than the sum of its proper divisors (124294287).

213203313 is a wasteful number, since it uses less digits than its factorization.

213203313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6298 (or 6292 counting only the distinct ones).

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

The square root of 213203313 is about 14601.4832465746. The cubic root of 213203313 is about 597.3992178424.

Adding to 213203313 its reverse (313302312), we get a palindrome (526505625).

The spelling of 213203313 in words is "two hundred thirteen million, two hundred three thousand, three hundred thirteen".