213331313 has 8 divisors (see below), whose sum is σ = 230057856. Its totient is φ = 196650000.

The previous prime is 213331289. The next prime is 213331361. The reversal of 213331313 is 313133312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213331313 - 2¹⁰ = 213330289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213331813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163 + ... + 20688.

It is an arithmetic number, because the mean of its divisors is an integer number (28757232).

Almost surely, 2^213331313 is an apocalyptic number.

It is an amenable number.

213331313 is a deficient number, since it is larger than the sum of its proper divisors (16726543).

213331313 is a wasteful number, since it uses less digits than its factorization.

213331313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22615.

The product of its digits is 486, while the sum is 20.

The square root of 213331313 is about 14605.8657052569. The cubic root of 213331313 is about 597.5187466326.

Adding to 213331313 its reverse (313133312), we get a palindrome (526464625).

The spelling of 213331313 in words is "two hundred thirteen million, three hundred thirty-one thousand, three hundred thirteen".