100142002431161 has 2 divisors, whose sum is σ = 100142002431162. Its totient is φ = 100142002431160.

The previous prime is 100142002431091. The next prime is 100142002431187. The reversal of 100142002431161 is 161134200241001.

It is an a-pointer prime, because the next prime (100142002431187) can be obtained adding 100142002431161 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52379307396025 + 47762695035136 = 7237355^2 + 6911056^2 .

It is a cyclic number.

It is not a de Polignac number, because 100142002431161 - 2¹⁰ = 100142002430137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100142002431161.

It is not a weakly prime, because it can be changed into another prime (100142002431761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50071001215580 + 50071001215581.

It is an arithmetic number, because the mean of its divisors is an integer number (50071001215581).

Almost surely, 2^{100142002431161} is an apocalyptic number.

It is an amenable number.

100142002431161 is a deficient number, since it is larger than the sum of its proper divisors (1).

100142002431161 is an equidigital number, since it uses as much as digits as its factorization.

100142002431161 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 26.

Adding to 100142002431161 its reverse (161134200241001), we get a palindrome (261276202672162).

The spelling of 100142002431161 in words is "one hundred trillion, one hundred forty-two billion, two million, four hundred thirty-one thousand, one hundred sixty-one".