213404313 has 16 divisors (see below), whose sum is σ = 295513856. Its totient is φ = 136881360.

The previous prime is 213404311. The next prime is 213404353. The reversal of 213404313 is 313404312.

It is not a de Polignac number, because 213404313 - 2¹ = 213404311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213404313.

It is not an unprimeable number, because it can be changed into a prime (213404311) 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 15 ways as a sum of consecutive naturals, for example, 3703 + ... + 20988.

It is an arithmetic number, because the mean of its divisors is an integer number (18469616).

Almost surely, 2^213404313 is an apocalyptic number.

It is an amenable number.

213404313 is a deficient number, since it is larger than the sum of its proper divisors (82109543).

213404313 is a wasteful number, since it uses less digits than its factorization.

213404313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24804.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 213404313 is about 14608.3644875119. The cubic root of 213404313 is about 597.5868939876.

Adding to 213404313 its reverse (313404312), we get a palindrome (526808625).

Subtracting 213404313 from its reverse (313404312), we obtain a palindrome (99999999).

The spelling of 213404313 in words is "two hundred thirteen million, four hundred four thousand, three hundred thirteen".