1311241430143 has 2 divisors, whose sum is σ = 1311241430144. Its totient is φ = 1311241430142.

The previous prime is 1311241430137. The next prime is 1311241430221. The reversal of 1311241430143 is 3410341421131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311241430143 - 2²⁵ = 1311207875711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311241430113) 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 as a sum of consecutive naturals, namely, 655620715071 + 655620715072.

It is an arithmetic number, because the mean of its divisors is an integer number (655620715072).

Almost surely, 2^{1311241430143} is an apocalyptic number.

1311241430143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311241430143 is an equidigital number, since it uses as much as digits as its factorization.

1311241430143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 1311241430143 its reverse (3410341421131), we get a palindrome (4721582851274).

The spelling of 1311241430143 in words is "one trillion, three hundred eleven billion, two hundred forty-one million, four hundred thirty thousand, one hundred forty-three".