213038284 has 24 divisors (see below), whose sum is σ = 377531280. Its totient is φ = 105179136.

The previous prime is 213038281. The next prime is 213038303. The reversal of 213038284 is 482830312.

213038284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213038281) 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, 174444 + ... + 175660.

It is an arithmetic number, because the mean of its divisors is an integer number (15730470).

Almost surely, 2^213038284 is an apocalyptic number.

It is an amenable number.

213038284 is a deficient number, since it is larger than the sum of its proper divisors (164492996).

213038284 is a wasteful number, since it uses less digits than its factorization.

213038284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 213038284 is about 14595.8310486248. The cubic root of 213038284 is about 597.2450400573.

Adding to 213038284 its reverse (482830312), we get a palindrome (695868596).

The spelling of 213038284 in words is "two hundred thirteen million, thirty-eight thousand, two hundred eighty-four".