102143434241 has 2 divisors, whose sum is σ = 102143434242. Its totient is φ = 102143434240.

The previous prime is 102143434189. The next prime is 102143434319. The reversal of 102143434241 is 142434341201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71607619216 + 30535815025 = 267596^2 + 174745^2 .

It is an emirp because it is prime and its reverse (142434341201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102143434241 - 2¹⁸ = 102143172097 is a prime.

It is not a weakly prime, because it can be changed into another prime (102143434441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51071717120 + 51071717121.

It is an arithmetic number, because the mean of its divisors is an integer number (51071717121).

Almost surely, 2^102143434241 is an apocalyptic number.

It is an amenable number.

102143434241 is a deficient number, since it is larger than the sum of its proper divisors (1).

102143434241 is an equidigital number, since it uses as much as digits as its factorization.

102143434241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 102143434241 its reverse (142434341201), we get a palindrome (244577775442).

The spelling of 102143434241 in words is "one hundred two billion, one hundred forty-three million, four hundred thirty-four thousand, two hundred forty-one".