102342113309 has 2 divisors, whose sum is σ = 102342113310. Its totient is φ = 102342113308.

The previous prime is 102342113273. The next prime is 102342113311. The reversal of 102342113309 is 903311243201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100903428409 + 1438684900 = 317653^2 + 37930^2 .

It is an emirp because it is prime and its reverse (903311243201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102342113309 - 2²⁴ = 102325336093 is a prime.

Together with 102342113311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102342113359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51171056654 + 51171056655.

It is an arithmetic number, because the mean of its divisors is an integer number (51171056655).

Almost surely, 2^102342113309 is an apocalyptic number.

It is an amenable number.

102342113309 is a deficient number, since it is larger than the sum of its proper divisors (1).

102342113309 is an equidigital number, since it uses as much as digits as its factorization.

102342113309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 102342113309 in words is "one hundred two billion, three hundred forty-two million, one hundred thirteen thousand, three hundred nine".