2013243320441 has 4 divisors (see below), whose sum is σ = 2131669398132. Its totient is φ = 1894817242752.

The previous prime is 2013243320419. The next prime is 2013243320443. The reversal of 2013243320441 is 1440233423102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1687476342841 + 325766977600 = 1299029^2 + 570760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013243320441 - 2³⁸ = 1738365413497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013243320443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 59213038820 + ... + 59213038853.

It is an arithmetic number, because the mean of its divisors is an integer number (532917349533).

Almost surely, 2^{2013243320441} is an apocalyptic number.

It is an amenable number.

2013243320441 is a deficient number, since it is larger than the sum of its proper divisors (118426077691).

2013243320441 is a wasteful number, since it uses less digits than its factorization.

2013243320441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118426077690.

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

Adding to 2013243320441 its reverse (1440233423102), we get a palindrome (3453476743543).

The spelling of 2013243320441 in words is "two trillion, thirteen billion, two hundred forty-three million, three hundred twenty thousand, four hundred forty-one".