213323111333 has 4 divisors (see below), whose sum is σ = 214009038048. Its totient is φ = 212637184620.

The previous prime is 213323111291. The next prime is 213323111399. The reversal of 213323111333 is 333111323312.

213323111333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213323111333 - 2¹⁴ = 213323094949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213323141333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342962891 + ... + 342963512.

It is an arithmetic number, because the mean of its divisors is an integer number (53502259512).

Almost surely, 2^213323111333 is an apocalyptic number.

It is an amenable number.

213323111333 is a deficient number, since it is larger than the sum of its proper divisors (685926715).

213323111333 is an equidigital number, since it uses as much as digits as its factorization.

213323111333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685926714.

The product of its digits is 2916, while the sum is 26.

Adding to 213323111333 its reverse (333111323312), we get a palindrome (546434434645).

The spelling of 213323111333 in words is "two hundred thirteen billion, three hundred twenty-three million, one hundred eleven thousand, three hundred thirty-three".