213333212311 has 16 divisors (see below), whose sum is σ = 226031477760. Its totient is φ = 200934059040.

The previous prime is 213333212251. The next prime is 213333212317. The reversal of 213333212311 is 113212333312.

It is a cyclic number.

It is not a de Polignac number, because 213333212311 - 2⁹ = 213333211799 is a prime.

It is a super-2 number, since 2×213333212311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213333212317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520356 + ... + 835126.

It is an arithmetic number, because the mean of its divisors is an integer number (14126967360).

Almost surely, 2^213333212311 is an apocalyptic number.

213333212311 is a deficient number, since it is larger than the sum of its proper divisors (12698265449).

213333212311 is a wasteful number, since it uses less digits than its factorization.

213333212311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315246.

The product of its digits is 1944, while the sum is 25.

Adding to 213333212311 its reverse (113212333312), we get a palindrome (326545545623).

The spelling of 213333212311 in words is "two hundred thirteen billion, three hundred thirty-three million, two hundred twelve thousand, three hundred eleven".