213003330 has 16 divisors (see below), whose sum is σ = 511208064. Its totient is φ = 56800880.

The previous prime is 213003317. The next prime is 213003341. The reversal of 213003330 is 33300312.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 in 7 ways as a sum of consecutive naturals, for example, 3550026 + ... + 3550085.

It is an arithmetic number, because the mean of its divisors is an integer number (31950504).

Almost surely, 2^213003330 is an apocalyptic number.

213003330 is an abundant number, since it is smaller than the sum of its proper divisors (298204734).

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

213003330 is a wasteful number, since it uses less digits than its factorization.

213003330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100121.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 213003330 is about 14594.6336028007. The cubic root of 213003330 is about 597.2123741837.

Adding to 213003330 its reverse (33300312), we get a palindrome (246303642).

The spelling of 213003330 in words is "two hundred thirteen million, three thousand, three hundred thirty".