213310113213 has 4 divisors (see below), whose sum is σ = 284413484288. Its totient is φ = 142206742140.

The previous prime is 213310113179. The next prime is 213310113217. The reversal of 213310113213 is 312311013312.

It is a happy number.

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 not a de Polignac number, because 213310113213 - 2⁸ = 213310112957 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 213310113213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213310113217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35551685533 + ... + 35551685538.

It is an arithmetic number, because the mean of its divisors is an integer number (71103371072).

Almost surely, 2^213310113213 is an apocalyptic number.

It is an amenable number.

213310113213 is a deficient number, since it is larger than the sum of its proper divisors (71103371075).

213310113213 is an equidigital number, since it uses as much as digits as its factorization.

213310113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71103371074.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213310113213 its reverse (312311013312), we get a palindrome (525621126525).

Subtracting 213310113213 from its reverse (312311013312), we obtain a palindrome (99000900099).

The spelling of 213310113213 in words is "two hundred thirteen billion, three hundred ten million, one hundred thirteen thousand, two hundred thirteen".