10118309 has 4 divisors (see below), whose sum is σ = 10195680. Its totient is φ = 10040940.

The previous prime is 10118299. The next prime is 10118377. The reversal of 10118309 is 90381101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10118309 - 2⁴ = 10118293 is a prime.

It is a super-3 number, since 3×10118309³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10118209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38489 + ... + 38750.

It is an arithmetic number, because the mean of its divisors is an integer number (2548920).

Almost surely, 2^10118309 is an apocalyptic number.

It is an amenable number.

10118309 is a deficient number, since it is larger than the sum of its proper divisors (77371).

10118309 is an equidigital number, since it uses as much as digits as its factorization.

10118309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77370.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 10118309 is about 3180.9289523660. The cubic root of 10118309 is about 216.2897702702.

The spelling of 10118309 in words is "ten million, one hundred eighteen thousand, three hundred nine".