42040131143 has 2 divisors, whose sum is σ = 42040131144. Its totient is φ = 42040131142.

The previous prime is 42040131137. The next prime is 42040131151. The reversal of 42040131143 is 34113104024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42040131143 - 2⁸ = 42040130887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42040131103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21020065571 + 21020065572.

It is an arithmetic number, because the mean of its divisors is an integer number (21020065572).

Almost surely, 2^42040131143 is an apocalyptic number.

42040131143 is a deficient number, since it is larger than the sum of its proper divisors (1).

42040131143 is an equidigital number, since it uses as much as digits as its factorization.

42040131143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 42040131143 its reverse (34113104024), we get a palindrome (76153235167).

The spelling of 42040131143 in words is "forty-two billion, forty million, one hundred thirty-one thousand, one hundred forty-three".