2012113131311 has 4 divisors (see below), whose sum is σ = 2013071739000. Its totient is φ = 2011154523624.

The previous prime is 2012113131307. The next prime is 2012113131313. The reversal of 2012113131311 is 1131313112102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012113131311 - 2² = 2012113131307 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 (2012113131313) 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, 479300696 + ... + 479304893.

It is an arithmetic number, because the mean of its divisors is an integer number (503267934750).

Almost surely, 2^{2012113131311} is an apocalyptic number.

2012113131311 is a deficient number, since it is larger than the sum of its proper divisors (958607689).

2012113131311 is an equidigital number, since it uses as much as digits as its factorization.

2012113131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958607688.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 2012113131311 its reverse (1131313112102), we get a palindrome (3143426243413).

The spelling of 2012113131311 in words is "two trillion, twelve billion, one hundred thirteen million, one hundred thirty-one thousand, three hundred eleven".