1002231655141 has 2 divisors, whose sum is σ = 1002231655142. Its totient is φ = 1002231655140.

The previous prime is 1002231655129. The next prime is 1002231655151. The reversal of 1002231655141 is 1415561322001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 849881172100 + 152350483041 = 921890^2 + 390321^2 .

It is an emirp because it is prime and its reverse (1415561322001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002231655141 - 2⁵ = 1002231655109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002231655151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501115827570 + 501115827571.

It is an arithmetic number, because the mean of its divisors is an integer number (501115827571).

Almost surely, 2^{1002231655141} is an apocalyptic number.

It is an amenable number.

1002231655141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002231655141 is an equidigital number, since it uses as much as digits as its factorization.

1002231655141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 1002231655141 its reverse (1415561322001), we get a palindrome (2417792977142).

The spelling of 1002231655141 in words is "one trillion, two billion, two hundred thirty-one million, six hundred fifty-five thousand, one hundred forty-one".