100803309 has 32 divisors (see below), whose sum is σ = 142179840. Its totient is φ = 63467712.

The previous prime is 100803301. The next prime is 100803317. The reversal of 100803309 is 903308001.

It is an interprime number because it is at equal distance from previous prime (100803301) and next prime (100803317).

It is not a de Polignac number, because 100803309 - 2³ = 100803301 is a prime.

It is a super-2 number, since 2×100803309² = 20322614210698962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100803301) 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 31 ways as a sum of consecutive naturals, for example, 924747 + ... + 924855.

It is an arithmetic number, because the mean of its divisors is an integer number (4443120).

Almost surely, 2^100803309 is an apocalyptic number.

It is an amenable number.

100803309 is a deficient number, since it is larger than the sum of its proper divisors (41376531).

100803309 is a wasteful number, since it uses less digits than its factorization.

100803309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 100803309 is about 10040.0851092010. The cubic root of 100803309 is about 465.3984467827.

The spelling of 100803309 in words is "one hundred million, eight hundred three thousand, three hundred nine".