213003232 has 96 divisors (see below), whose sum is σ = 474163200. Its totient is φ = 93519360.

The previous prime is 213003229. The next prime is 213003283. The reversal of 213003232 is 232300312.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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, 1070269 + ... + 1070467.

It is an arithmetic number, because the mean of its divisors is an integer number (4939200).

Almost surely, 2^213003232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213003232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237081600).

213003232 is an abundant number, since it is smaller than the sum of its proper divisors (261159968).

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

213003232 is a wasteful number, since it uses less digits than its factorization.

213003232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 213003232 is about 14594.6302454019. The cubic root of 213003232 is about 597.2122825939.

Adding to 213003232 its reverse (232300312), we get a palindrome (445303544).

The spelling of 213003232 in words is "two hundred thirteen million, three thousand, two hundred thirty-two".