100173317 has 4 divisors (see below), whose sum is σ = 100213260. Its totient is φ = 100133376.

The previous prime is 100173313. The next prime is 100173323. The reversal of 100173317 is 713371001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 713371001 = 7 ⋅101910143.

It can be written as a sum of positive squares in 2 ways, for example, as 58583716 + 41589601 = 7654^2 + 6449^2 .

It is a cyclic number.

It is not a de Polignac number, because 100173317 - 2² = 100173313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100173292 and 100173301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100173313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15938 + ... + 21315.

It is an arithmetic number, because the mean of its divisors is an integer number (25053315).

Almost surely, 2^100173317 is an apocalyptic number.

It is an amenable number.

100173317 is a deficient number, since it is larger than the sum of its proper divisors (39943).

100173317 is an equidigital number, since it uses as much as digits as its factorization.

100173317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39942.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 100173317 is about 10008.6620984026. The cubic root of 100173317 is about 464.4268840079.

The spelling of 100173317 in words is "one hundred million, one hundred seventy-three thousand, three hundred seventeen".