213324210 has 144 divisors (see below), whose sum is σ = 642358080. Its totient is φ = 48945600.

The previous prime is 213324187. The next prime is 213324233. The reversal of 213324210 is 12423312.

213324210 is a `hidden beast` number, since 213 + 32 + 421 + 0 = 666.

213324210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213324187) and next prime (213324233).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 206395 + ... + 207425.

It is an arithmetic number, because the mean of its divisors is an integer number (4460820).

Almost surely, 2^213324210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213324210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321179040).

213324210 is an abundant number, since it is smaller than the sum of its proper divisors (429033870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213324210 is a wasteful number, since it uses less digits than its factorization.

213324210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 213324210 is about 14605.6225474986. The cubic root of 213324210 is about 597.5121149718.

Adding to 213324210 its reverse (12423312), we get a palindrome (225747522).

It can be divided in two parts, 213 and 324210, that added together give a palindrome (324423).

The spelling of 213324210 in words is "two hundred thirteen million, three hundred twenty-four thousand, two hundred ten".