2013031994947 has 8 divisors (see below), whose sum is σ = 2013861104640. Its totient is φ = 2012203063560.

The previous prime is 2013031994917. The next prime is 2013031994993. The reversal of 2013031994947 is 7494991303102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013031994947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013031994894 and 2013031994903.

It is not an unprimeable number, because it can be changed into a prime (2013031994917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25448704 + ... + 25527682.

It is an arithmetic number, because the mean of its divisors is an integer number (251732638080).

Almost surely, 2^{2013031994947} is an apocalyptic number.

2013031994947 is a deficient number, since it is larger than the sum of its proper divisors (829109693).

2013031994947 is an equidigital number, since it uses as much as digits as its factorization.

2013031994947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89153.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 2013031994947 in words is "two trillion, thirteen billion, thirty-one million, nine hundred ninety-four thousand, nine hundred forty-seven".