100171320 has 32 divisors (see below), whose sum is σ = 300514320. Its totient is φ = 26712320.

The previous prime is 100171319. The next prime is 100171343. The reversal of 100171320 is 23171001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100171320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417261 + ... + 417500.

Almost surely, 2^100171320 is an apocalyptic number.

100171320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100171320 is an abundant number, since it is smaller than the sum of its proper divisors (200343000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100171320 is a wasteful number, since it uses less digits than its factorization.

100171320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834775 (or 834771 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 100171320 is about 10008.5623343215. The cubic root of 100171320 is about 464.4237978013.

The spelling of 100171320 in words is "one hundred million, one hundred seventy-one thousand, three hundred twenty".