2012311031013 has 24 divisors (see below), whose sum is σ = 2914261708800. Its totient is φ = 1338038136864.

The previous prime is 2012311031009. The next prime is 2012311031021. The reversal of 2012311031013 is 3101301132102.

2012311031013 is a `hidden beast` number, since 20 + 12 + 311 + 0 + 310 + 13 = 666.

It is not a de Polignac number, because 2012311031013 - 2² = 2012311031009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012311021013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55145308 + ... + 55181786.

It is an arithmetic number, because the mean of its divisors is an integer number (121427571200).

Almost surely, 2^{2012311031013} is an apocalyptic number.

It is an amenable number.

2012311031013 is a deficient number, since it is larger than the sum of its proper divisors (901950677787).

2012311031013 is a wasteful number, since it uses less digits than its factorization.

2012311031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52321 (or 52318 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2012311031013 its reverse (3101301132102), we get a palindrome (5113612163115).

The spelling of 2012311031013 in words is "two trillion, twelve billion, three hundred eleven million, thirty-one thousand, thirteen".