2012131311 has 16 divisors (see below), whose sum is σ = 2720623488. Its totient is φ = 1322661600.

The previous prime is 2012131301. The next prime is 2012131349. The reversal of 2012131311 is 1131312102.

It is a happy number.

It is not a de Polignac number, because 2012131311 - 2⁷ = 2012131183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012131301) 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, 45396 + ... + 78006.

It is an arithmetic number, because the mean of its divisors is an integer number (170038968).

Almost surely, 2^2012131311 is an apocalyptic number.

2012131311 is a deficient number, since it is larger than the sum of its proper divisors (708492177).

2012131311 is a wasteful number, since it uses less digits than its factorization.

2012131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32902.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2012131311 is about 44856.7866771573. The cubic root of 2012131311 is about 1262.4633322814.

Adding to 2012131311 its reverse (1131312102), we get a palindrome (3143443413).

The spelling of 2012131311 in words is "two billion, twelve million, one hundred thirty-one thousand, three hundred eleven".