100316609 has 8 divisors (see below), whose sum is σ = 106635528. Its totient is φ = 94044160.

The previous prime is 100316603. The next prime is 100316611. The reversal of 100316609 is 906613001.

It can be written as a sum of positive squares in 4 ways, for example, as 68145025 + 32171584 = 8255^2 + 5672^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100316609 - 2²⁰ = 99268033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100316603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7112 + ... + 15849.

It is an arithmetic number, because the mean of its divisors is an integer number (13329441).

Almost surely, 2^100316609 is an apocalyptic number.

It is an amenable number.

100316609 is a deficient number, since it is larger than the sum of its proper divisors (6318919).

100316609 is a wasteful number, since it uses less digits than its factorization.

100316609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23235.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 100316609 is about 10015.8179396393. The cubic root of 100316609 is about 464.6482235587.

The spelling of 100316609 in words is "one hundred million, three hundred sixteen thousand, six hundred nine".