1311443143043 has 12 divisors (see below), whose sum is σ = 1476662250504. Its totient is φ = 1163142472800.

The previous prime is 1311443143033. The next prime is 1311443143069. The reversal of 1311443143043 is 3403413441131.

It is not a de Polignac number, because 1311443143043 - 2⁸ = 1311443142787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311443143033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132170321 + ... + 132180242.

It is an arithmetic number, because the mean of its divisors is an integer number (123055187542).

Almost surely, 2^{1311443143043} is an apocalyptic number.

1311443143043 is a deficient number, since it is larger than the sum of its proper divisors (165219107461).

1311443143043 is a wasteful number, since it uses less digits than its factorization.

1311443143043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264350626 (or 264350615 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 1311443143043 its reverse (3403413441131), we get a palindrome (4714856584174).

The spelling of 1311443143043 in words is "one trillion, three hundred eleven billion, four hundred forty-three million, one hundred forty-three thousand, forty-three".