10302109 has 4 divisors (see below), whose sum is σ = 10313116. Its totient is φ = 10291104.

The previous prime is 10302077. The next prime is 10302139. The reversal of 10302109 is 90120301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6017209 + 4284900 = 2453^2 + 2070^2 .

It is a cyclic number.

It is not a de Polignac number, because 10302109 - 2⁵ = 10302077 is a prime.

It is a super-2 number, since 2×10302109² = 212266899695762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10302092 and 10302101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3954 + ... + 6019.

It is an arithmetic number, because the mean of its divisors is an integer number (2578279).

Almost surely, 2^10302109 is an apocalyptic number.

It is an amenable number.

10302109 is a deficient number, since it is larger than the sum of its proper divisors (11007).

10302109 is an equidigital number, since it uses as much as digits as its factorization.

10302109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11006.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 10302109 is about 3209.6898604071. The cubic root of 10302109 is about 217.5915605169.

The spelling of 10302109 in words is "ten million, three hundred two thousand, one hundred nine".