13140242331443 has 16 divisors (see below), whose sum is σ = 13209716580480. Its totient is φ = 13070897548800.

The previous prime is 13140242331413. The next prime is 13140242331467. The reversal of 13140242331443 is 34413324204131.

It is a cyclic number.

It is not a de Polignac number, because 13140242331443 - 2¹² = 13140242327347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13140242331413) 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, 920113463 + ... + 920127743.

It is an arithmetic number, because the mean of its divisors is an integer number (825607286280).

Almost surely, 2^{13140242331443} is an apocalyptic number.

13140242331443 is a deficient number, since it is larger than the sum of its proper divisors (69474249037).

13140242331443 is a wasteful number, since it uses less digits than its factorization.

13140242331443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18478.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 13140242331443 its reverse (34413324204131), we get a palindrome (47553566535574).

The spelling of 13140242331443 in words is "thirteen trillion, one hundred forty billion, two hundred forty-two million, three hundred thirty-one thousand, four hundred forty-three".