13311441431243 has 16 divisors (see below), whose sum is σ = 14017902012000. Its totient is φ = 12621914253312.

The previous prime is 13311441431201. The next prime is 13311441431341. The reversal of 13311441431243 is 34213414411331.

It is a happy number.

It is not a de Polignac number, because 13311441431243 - 2¹⁸ = 13311441169099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311441431443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2195798 + ... + 5607531.

It is an arithmetic number, because the mean of its divisors is an integer number (876118875750).

Almost surely, 2^{13311441431243} is an apocalyptic number.

13311441431243 is a deficient number, since it is larger than the sum of its proper divisors (706460580757).

13311441431243 is an equidigital number, since it uses as much as digits as its factorization.

13311441431243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804414.

The product of its digits is 41472, while the sum is 35.

Adding to 13311441431243 its reverse (34213414411331), we get a palindrome (47524855842574).

The spelling of 13311441431243 in words is "thirteen trillion, three hundred eleven billion, four hundred forty-one million, four hundred thirty-one thousand, two hundred forty-three".