1131023040143 has 4 divisors (see below), whose sum is σ = 1131798245880. Its totient is φ = 1130247834408.

The previous prime is 1131023040109. The next prime is 1131023040163. The reversal of 1131023040143 is 3410403201311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1131023040143 - 2¹⁴ = 1131023023759 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 (1131023040163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387600680 + ... + 387603597.

It is an arithmetic number, because the mean of its divisors is an integer number (282949561470).

Almost surely, 2^{1131023040143} is an apocalyptic number.

1131023040143 is a deficient number, since it is larger than the sum of its proper divisors (775205737).

1131023040143 is an equidigital number, since it uses as much as digits as its factorization.

1131023040143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775205736.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1131023040143 its reverse (3410403201311), we get a palindrome (4541426241454).

The spelling of 1131023040143 in words is "one trillion, one hundred thirty-one billion, twenty-three million, forty thousand, one hundred forty-three".