2013243312044 has 24 divisors (see below), whose sum is σ = 3610823639808. Its totient is φ = 981653616720.

The previous prime is 2013243311993. The next prime is 2013243312083. The reversal of 2013243312044 is 4402133423102.

It is a junction number, because it is equal to n+sod(n) for n = 2013243311998 and 2013243312016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9166352 + ... + 9383415.

It is an arithmetic number, because the mean of its divisors is an integer number (150450984992).

Almost surely, 2^{2013243312044} is an apocalyptic number.

It is an amenable number.

2013243312044 is a deficient number, since it is larger than the sum of its proper divisors (1597580327764).

2013243312044 is a wasteful number, since it uses less digits than its factorization.

2013243312044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18550445 (or 18550443 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2013243312044 its reverse (4402133423102), we get a palindrome (6415376735146).

The spelling of 2013243312044 in words is "two trillion, thirteen billion, two hundred forty-three million, three hundred twelve thousand, forty-four".