10103309 has 2 divisors, whose sum is σ = 10103310. Its totient is φ = 10103308.

The previous prime is 10103293. The next prime is 10103311. The reversal of 10103309 is 90330101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7823209 + 2280100 = 2797^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 10103309 - 2⁴ = 10103293 is a prime.

Together with 10103311, 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 (10105309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051654 + 5051655.

It is an arithmetic number, because the mean of its divisors is an integer number (5051655).

Almost surely, 2^10103309 is an apocalyptic number.

It is an amenable number.

10103309 is a deficient number, since it is larger than the sum of its proper divisors (1).

10103309 is an equidigital number, since it uses as much as digits as its factorization.

10103309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 10103309 is about 3178.5702760833. The cubic root of 10103309 is about 216.1828370174.

The spelling of 10103309 in words is "ten million, one hundred three thousand, three hundred nine".