213311113213 has 16 divisors (see below), whose sum is σ = 234188672256. Its totient is φ = 192683727040.

The previous prime is 213311113187. The next prime is 213311113261. The reversal of 213311113213 is 312311113312.

It is a cyclic number.

It is not a de Polignac number, because 213311113213 - 2³³ = 204721178621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213311113513) 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, 1611420 + ... + 1738762.

It is an arithmetic number, because the mean of its divisors is an integer number (14636792016).

Almost surely, 2^213311113213 is an apocalyptic number.

It is an amenable number.

213311113213 is a deficient number, since it is larger than the sum of its proper divisors (20877559043).

213311113213 is a wasteful number, since it uses less digits than its factorization.

213311113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128324.

The product of its digits is 324, while the sum is 22.

Adding to 213311113213 its reverse (312311113312), we get a palindrome (525622226525).

Subtracting 213311113213 from its reverse (312311113312), we obtain a palindrome (99000000099).

The spelling of 213311113213 in words is "two hundred thirteen billion, three hundred eleven million, one hundred thirteen thousand, two hundred thirteen".