1311133142143 has 8 divisors (see below), whose sum is σ = 1441589483520. Its totient is φ = 1182553870680.

The previous prime is 1311133142131. The next prime is 1311133142161. The reversal of 1311133142143 is 3412413311131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311133142143 - 2²¹ = 1311131044991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311133142113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469266013 + ... + 469268806.

It is an arithmetic number, because the mean of its divisors is an integer number (180198685440).

Almost surely, 2^{1311133142143} is an apocalyptic number.

1311133142143 is a deficient number, since it is larger than the sum of its proper divisors (130456341377).

1311133142143 is a wasteful number, since it uses less digits than its factorization.

1311133142143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938534957.

The product of its digits is 2592, while the sum is 28.

Adding to 1311133142143 its reverse (3412413311131), we get a palindrome (4723546453274).

The spelling of 1311133142143 in words is "one trillion, three hundred eleven billion, one hundred thirty-three million, one hundred forty-two thousand, one hundred forty-three".