2012313231113 has 4 divisors (see below), whose sum is σ = 2015225407248. Its totient is φ = 2009401054980.

The previous prime is 2012313231107. The next prime is 2012313231161. The reversal of 2012313231113 is 3111323132102.

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 2012313231113 - 2¹² = 2012313227017 is a prime.

It is a super-2 number, since 2×2012313231113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012313231013) 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, 1456087031 + ... + 1456088412.

It is an arithmetic number, because the mean of its divisors is an integer number (503806351812).

Almost surely, 2^{2012313231113} is an apocalyptic number.

It is an amenable number.

2012313231113 is a deficient number, since it is larger than the sum of its proper divisors (2912176135).

2012313231113 is an equidigital number, since it uses as much as digits as its factorization.

2012313231113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912176134.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2012313231113 its reverse (3111323132102), we get a palindrome (5123636363215).

The spelling of 2012313231113 in words is "two trillion, twelve billion, three hundred thirteen million, two hundred thirty-one thousand, one hundred thirteen".