102402131171 has 2 divisors, whose sum is σ = 102402131172. Its totient is φ = 102402131170.

The previous prime is 102402131123. The next prime is 102402131197. The reversal of 102402131171 is 171131204201.

It is a strong prime.

It is an emirp because it is prime and its reverse (171131204201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102402131171 - 2¹⁰ = 102402130147 is a prime.

It is not a weakly prime, because it can be changed into another prime (102402131071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51201065585 + 51201065586.

It is an arithmetic number, because the mean of its divisors is an integer number (51201065586).

Almost surely, 2^102402131171 is an apocalyptic number.

102402131171 is a deficient number, since it is larger than the sum of its proper divisors (1).

102402131171 is an equidigital number, since it uses as much as digits as its factorization.

102402131171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 102402131171 its reverse (171131204201), we get a palindrome (273533335372).

The spelling of 102402131171 in words is "one hundred two billion, four hundred two million, one hundred thirty-one thousand, one hundred seventy-one".