213304132 has 6 divisors (see below), whose sum is σ = 373282238. Its totient is φ = 106652064.

The previous prime is 213304121. The next prime is 213304141. The reversal of 213304132 is 231403312.

It can be written as a sum of positive squares in only one way, i.e., 193376836 + 19927296 = 13906^2 + 4464^2 .

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 as a sum of consecutive naturals, namely, 26663013 + ... + 26663020.

Almost surely, 2^213304132 is an apocalyptic number.

It is an amenable number.

213304132 is a deficient number, since it is larger than the sum of its proper divisors (159978106).

213304132 is a wasteful number, since it uses less digits than its factorization.

213304132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53326037 (or 53326035 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 213304132 is about 14604.9351932831. The cubic root of 213304132 is about 597.4933685065.

Adding to 213304132 its reverse (231403312), we get a palindrome (444707444).

The spelling of 213304132 in words is "two hundred thirteen million, three hundred four thousand, one hundred thirty-two".