2013231211213 has 4 divisors (see below), whose sum is σ = 2013564147840. Its totient is φ = 2012898274588.

The previous prime is 2013231211181. The next prime is 2013231211237. The reversal of 2013231211213 is 3121121323102.

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 2013231211213 - 2⁵ = 2013231211181 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 (2013231911213) 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, 166459243 + ... + 166471336.

It is an arithmetic number, because the mean of its divisors is an integer number (503391036960).

Almost surely, 2^{2013231211213} is an apocalyptic number.

It is an amenable number.

2013231211213 is a deficient number, since it is larger than the sum of its proper divisors (332936627).

2013231211213 is an equidigital number, since it uses as much as digits as its factorization.

2013231211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332936626.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2013231211213 its reverse (3121121323102), we get a palindrome (5134352534315).

The spelling of 2013231211213 in words is "two trillion, thirteen billion, two hundred thirty-one million, two hundred eleven thousand, two hundred thirteen".