142031869097 has 2 divisors, whose sum is σ = 142031869098. Its totient is φ = 142031869096.

The previous prime is 142031869073. The next prime is 142031869141. The reversal of 142031869097 is 790968130241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129268292521 + 12763576576 = 359539^2 + 112976^2 .

It is a cyclic number.

It is not a de Polignac number, because 142031869097 - 2¹⁴ = 142031852713 is a prime.

It is not a weakly prime, because it can be changed into another prime (142031869037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71015934548 + 71015934549.

It is an arithmetic number, because the mean of its divisors is an integer number (71015934549).

Almost surely, 2^142031869097 is an apocalyptic number.

It is an amenable number.

142031869097 is a deficient number, since it is larger than the sum of its proper divisors (1).

142031869097 is an equidigital number, since it uses as much as digits as its factorization.

142031869097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 142031869097 in words is "one hundred forty-two billion, thirty-one million, eight hundred sixty-nine thousand, ninety-seven".