213344230 has 16 divisors (see below), whose sum is σ = 418930704. Its totient is φ = 77579680.

The previous prime is 213344191. The next prime is 213344231. The reversal of 213344230 is 32443312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213344231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969637 + ... + 969856.

It is an arithmetic number, because the mean of its divisors is an integer number (26183169).

Almost surely, 2^213344230 is an apocalyptic number.

213344230 is a deficient number, since it is larger than the sum of its proper divisors (205586474).

213344230 is a wasteful number, since it uses less digits than its factorization.

213344230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939511.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 213344230 is about 14606.3078839247. The cubic root of 213344230 is about 597.5308061123.

Adding to 213344230 its reverse (32443312), we get a palindrome (245787542).

It can be divided in two parts, 213 and 344230, that added together give a palindrome (344443).

The spelling of 213344230 in words is "two hundred thirteen million, three hundred forty-four thousand, two hundred thirty".