213003330306 has 32 divisors (see below), whose sum is σ = 461081846400. Its totient is φ = 65210137344.

The previous prime is 213003330299. The next prime is 213003330359. The reversal of 213003330306 is 603033300312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6845815 + ... + 6876858.

It is an arithmetic number, because the mean of its divisors is an integer number (14408807700).

Almost surely, 2^213003330306 is an apocalyptic number.

213003330306 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

213003330306 is an abundant number, since it is smaller than the sum of its proper divisors (248078516094).

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

213003330306 is a wasteful number, since it uses less digits than its factorization.

213003330306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13722890.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 213003330306 its reverse (603033300312), we get a palindrome (816036630618).

The spelling of 213003330306 in words is "two hundred thirteen billion, three million, three hundred thirty thousand, three hundred six".