213403313 has 8 divisors (see below), whose sum is σ = 215534400. Its totient is φ = 211281840.

The previous prime is 213403303. The next prime is 213403321. The reversal of 213403313 is 313304312.

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 213403313 - 2⁶ = 213403249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213403303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47156 + ... + 51482.

It is an arithmetic number, because the mean of its divisors is an integer number (26941800).

Almost surely, 2^213403313 is an apocalyptic number.

It is an amenable number.

213403313 is a deficient number, since it is larger than the sum of its proper divisors (2131087).

213403313 is a wasteful number, since it uses less digits than its factorization.

213403313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 213403313 is about 14608.3302605055. The cubic root of 213403313 is about 597.5859605672.

Adding to 213403313 its reverse (313304312), we get a palindrome (526707625).

Subtracting 213403313 from its reverse (313304312), we obtain a palindrome (99900999).

The spelling of 213403313 in words is "two hundred thirteen million, four hundred three thousand, three hundred thirteen".