100381917 has 8 divisors (see below), whose sum is σ = 134271424. Its totient is φ = 66706848.

The previous prime is 100381907. The next prime is 100381927. The reversal of 100381917 is 719183001.

It is an interprime number because it is at equal distance from previous prime (100381907) and next prime (100381927).

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

It is not a de Polignac number, because 100381917 - 2¹⁰ = 100380893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100381907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52513 + ... + 54390.

It is an arithmetic number, because the mean of its divisors is an integer number (16783928).

Almost surely, 2^100381917 is an apocalyptic number.

It is an amenable number.

100381917 is a deficient number, since it is larger than the sum of its proper divisors (33889507).

100381917 is a wasteful number, since it uses less digits than its factorization.

100381917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107219.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 100381917 is about 10019.0776521594. The cubic root of 100381917 is about 464.7490332643.

The spelling of 100381917 in words is "one hundred million, three hundred eighty-one thousand, nine hundred seventeen".