142242035531 has 2 divisors, whose sum is σ = 142242035532. Its totient is φ = 142242035530.

The previous prime is 142242035491. The next prime is 142242035539. The reversal of 142242035531 is 135530242241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142242035531 - 2³⁴ = 125062166347 is a prime.

It is a super-2 number, since 2×142242035531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142242035539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71121017765 + 71121017766.

It is an arithmetic number, because the mean of its divisors is an integer number (71121017766).

Almost surely, 2^142242035531 is an apocalyptic number.

142242035531 is a deficient number, since it is larger than the sum of its proper divisors (1).

142242035531 is an equidigital number, since it uses as much as digits as its factorization.

142242035531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 142242035531 its reverse (135530242241), we get a palindrome (277772277772).

The spelling of 142242035531 in words is "one hundred forty-two billion, two hundred forty-two million, thirty-five thousand, five hundred thirty-one".