213003332 has 6 divisors (see below), whose sum is σ = 372755838. Its totient is φ = 106501664.

The previous prime is 213003317. The next prime is 213003341. The reversal of 213003332 is 233300312.

It can be written as a sum of positive squares in only one way, i.e., 212984836 + 18496 = 14594^2 + 136^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213003332.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26625413 + ... + 26625420.

It is an arithmetic number, because the mean of its divisors is an integer number (62125973).

Almost surely, 2^213003332 is an apocalyptic number.

It is an amenable number.

213003332 is a deficient number, since it is larger than the sum of its proper divisors (159752506).

213003332 is a wasteful number, since it uses less digits than its factorization.

213003332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53250837 (or 53250835 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 213003332 is about 14594.6336713191. The cubic root of 213003332 is about 597.2123760529.

Adding to 213003332 its reverse (233300312), we get a palindrome (446303644).

The spelling of 213003332 in words is "two hundred thirteen million, three thousand, three hundred thirty-two".