10302308309 has 2 divisors, whose sum is σ = 10302308310. Its totient is φ = 10302308308.

The previous prime is 10302308279. The next prime is 10302308311. The reversal of 10302308309 is 90380320301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9578536900 + 723771409 = 97870^2 + 26903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10302308309 is a prime.

It is a super-2 number, since 2×10302308309² (a number of 21 digits) contains 22 as substring.

Together with 10302308311, 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 (10302308509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151154154 + 5151154155.

It is an arithmetic number, because the mean of its divisors is an integer number (5151154155).

Almost surely, 2^10302308309 is an apocalyptic number.

It is an amenable number.

10302308309 is a deficient number, since it is larger than the sum of its proper divisors (1).

10302308309 is an equidigital number, since it uses as much as digits as its factorization.

10302308309 is an evil number, because the sum of its binary digits is even.

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

The spelling of 10302308309 in words is "ten billion, three hundred two million, three hundred eight thousand, three hundred nine".