213320033311 has 32 divisors (see below), whose sum is σ = 283425619968. Its totient is φ = 155613337440.

The previous prime is 213320033299. The next prime is 213320033341. The reversal of 213320033311 is 113330023312.

It is not a de Polignac number, because 213320033311 - 2²³ = 213311644703 is a prime.

It is a super-2 number, since 2×213320033311² (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 (213320033341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1198165 + ... + 1364638.

It is an arithmetic number, because the mean of its divisors is an integer number (8857050624).

Almost surely, 2^213320033311 is an apocalyptic number.

213320033311 is a deficient number, since it is larger than the sum of its proper divisors (70105586657).

213320033311 is a wasteful number, since it uses less digits than its factorization.

213320033311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562891.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 213320033311 its reverse (113330023312), we get a palindrome (326650056623).

Subtracting from 213320033311 its reverse (113330023312), we obtain a palindrome (99990009999).

The spelling of 213320033311 in words is "two hundred thirteen billion, three hundred twenty million, thirty-three thousand, three hundred eleven".