213302331331111 has 16 divisors (see below), whose sum is σ = 234529750499328. Its totient is φ = 192381014800800.

The previous prime is 213302331331087. The next prime is 213302331331129. The reversal of 213302331331111 is 111133133203312.

It is a happy number.

213302331331111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 213302331331111 - 2³¹ = 213300183847463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213302331331111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213302331331181) 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, 81116281 + ... + 83704573.

It is an arithmetic number, because the mean of its divisors is an integer number (14658109406208).

Almost surely, 2^{213302331331111} is an apocalyptic number.

213302331331111 is a deficient number, since it is larger than the sum of its proper divisors (21227419168217).

213302331331111 is a wasteful number, since it uses less digits than its factorization.

213302331331111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647422.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 213302331331111 its reverse (111133133203312), we get a palindrome (324435464534423).

The spelling of 213302331331111 in words is "two hundred thirteen trillion, three hundred two billion, three hundred thirty-one million, three hundred thirty-one thousand, one hundred eleven".