142231231001 has 2 divisors, whose sum is σ = 142231231002. Its totient is φ = 142231231000.

The previous prime is 142231230979. The next prime is 142231231013. The reversal of 142231231001 is 100132132241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142174243600 + 56987401 = 377060^2 + 7549^2 .

It is a cyclic number.

It is not a de Polignac number, because 142231231001 - 2¹⁸ = 142230968857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (142234231001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71115615500 + 71115615501.

It is an arithmetic number, because the mean of its divisors is an integer number (71115615501).

Almost surely, 2^142231231001 is an apocalyptic number.

It is an amenable number.

142231231001 is a deficient number, since it is larger than the sum of its proper divisors (1).

142231231001 is an equidigital number, since it uses as much as digits as its factorization.

142231231001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 142231231001 its reverse (100132132241), we get a palindrome (242363363242).

The spelling of 142231231001 in words is "one hundred forty-two billion, two hundred thirty-one million, two hundred thirty-one thousand, one".