213333330303 has 12 divisors (see below), whose sum is σ = 312488259408. Its totient is φ = 140219089920.

The previous prime is 213333330289. The next prime is 213333330307. The reversal of 213333330303 is 303033333312.

213333330303 is a `hidden beast` number, since 21 + 3 + 3 + 3 + 3 + 330 + 303 = 666.

It is not a de Polignac number, because 213333330303 - 2¹⁷ = 213333199231 is a prime.

It is a super-2 number, since 2×213333330303² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213333330307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166926850 + ... + 166928127.

It is an arithmetic number, because the mean of its divisors is an integer number (26040688284).

Almost surely, 2^213333330303 is an apocalyptic number.

213333330303 is a deficient number, since it is larger than the sum of its proper divisors (99154929105).

213333330303 is a wasteful number, since it uses less digits than its factorization.

213333330303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333855054 (or 333855051 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 27.

Adding to 213333330303 its reverse (303033333312), we get a palindrome (516366663615).

The spelling of 213333330303 in words is "two hundred thirteen billion, three hundred thirty-three million, three hundred thirty thousand, three hundred three".