13001110403243 has 4 divisors (see below), whose sum is σ = 13195156827240. Its totient is φ = 12807063979248.

The previous prime is 13001110403233. The next prime is 13001110403251. The reversal of 13001110403243 is 34230401110031.

13001110403243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13001110403243 - 2³⁴ = 12983930534059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13001110403233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97023211898 + ... + 97023212031.

It is an arithmetic number, because the mean of its divisors is an integer number (3298789206810).

Almost surely, 2^{13001110403243} is an apocalyptic number.

13001110403243 is a deficient number, since it is larger than the sum of its proper divisors (194046423997).

13001110403243 is an equidigital number, since it uses as much as digits as its factorization.

13001110403243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194046423996.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13001110403243 its reverse (34230401110031), we get a palindrome (47231511513274).

The spelling of 13001110403243 in words is "thirteen trillion, one billion, one hundred ten million, four hundred three thousand, two hundred forty-three".