143040542131 has 4 divisors (see below), whose sum is σ = 143074791112. Its totient is φ = 143006293152.

The previous prime is 143040542093. The next prime is 143040542149. The reversal of 143040542131 is 131245040341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131245040341 = 97 ⋅1353041653.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143040542131 is a prime.

It is a super-2 number, since 2×143040542131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143040542131.

It is not an unprimeable number, because it can be changed into a prime (143040540131) 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, 17118225 + ... + 17126578.

It is an arithmetic number, because the mean of its divisors is an integer number (35768697778).

Almost surely, 2^143040542131 is an apocalyptic number.

143040542131 is a deficient number, since it is larger than the sum of its proper divisors (34248981).

143040542131 is an equidigital number, since it uses as much as digits as its factorization.

143040542131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34248980.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 143040542131 its reverse (131245040341), we get a palindrome (274285582472).

The spelling of 143040542131 in words is "one hundred forty-three billion, forty million, five hundred forty-two thousand, one hundred thirty-one".