213003282 has 16 divisors (see below), whose sum is σ = 436397472. Its totient is φ = 69269280.

The previous prime is 213003229. The next prime is 213003283. The reversal of 213003282 is 282300312.

It is not an unprimeable number, because it can be changed into a prime (213003283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432688 + ... + 433179.

It is an arithmetic number, because the mean of its divisors is an integer number (27274842).

Almost surely, 2^213003282 is an apocalyptic number.

213003282 is an abundant number, since it is smaller than the sum of its proper divisors (223394190).

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

213003282 is a wasteful number, since it uses less digits than its factorization.

213003282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865913.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 213003282 is about 14594.6319583606. The cubic root of 213003282 is about 597.2123293234.

Adding to 213003282 its reverse (282300312), we get a palindrome (495303594).

The spelling of 213003282 in words is "two hundred thirteen million, three thousand, two hundred eighty-two".