213445313 has 8 divisors (see below), whose sum is σ = 223560000. Its totient is φ = 203400208.

The previous prime is 213445301. The next prime is 213445327. The reversal of 213445313 is 313544312.

213445313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 213445313 - 2¹⁸ = 213183169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213445213) 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, 11063 + ... + 23436.

It is an arithmetic number, because the mean of its divisors is an integer number (27945000).

Almost surely, 2^213445313 is an apocalyptic number.

213445313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

213445313 is a deficient number, since it is larger than the sum of its proper divisors (10114687).

213445313 is a wasteful number, since it uses less digits than its factorization.

213445313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34791.

The product of its digits is 4320, while the sum is 26.

The square root of 213445313 is about 14609.7677257375. The cubic root of 213445313 is about 597.6251617142.

Adding to 213445313 its reverse (313544312), we get a palindrome (526989625).

The spelling of 213445313 in words is "two hundred thirteen million, four hundred forty-five thousand, three hundred thirteen".