142044342331 has 2 divisors, whose sum is σ = 142044342332. Its totient is φ = 142044342330.

The previous prime is 142044342281. The next prime is 142044342439. The reversal of 142044342331 is 133243440241.

It is a weak prime.

It is an emirp because it is prime and its reverse (133243440241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142044342331 - 2³³ = 133454407739 is a prime.

It is a super-2 number, since 2×142044342331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142044342293 and 142044342302.

It is not a weakly prime, because it can be changed into another prime (142044342631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71022171165 + 71022171166.

It is an arithmetic number, because the mean of its divisors is an integer number (71022171166).

Almost surely, 2^142044342331 is an apocalyptic number.

142044342331 is a deficient number, since it is larger than the sum of its proper divisors (1).

142044342331 is an equidigital number, since it uses as much as digits as its factorization.

142044342331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 142044342331 its reverse (133243440241), we get a palindrome (275287782572).

The spelling of 142044342331 in words is "one hundred forty-two billion, forty-four million, three hundred forty-two thousand, three hundred thirty-one".