100310172 has 24 divisors (see below), whose sum is σ = 241608192. Its totient is φ = 32358000.

The previous prime is 100310143. The next prime is 100310179. The reversal of 100310172 is 271013001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100310179) 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, 134454 + ... + 135197.

It is an arithmetic number, because the mean of its divisors is an integer number (10067008).

Almost surely, 2^100310172 is an apocalyptic number.

100310172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100310172 is an abundant number, since it is smaller than the sum of its proper divisors (141298020).

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

100310172 is a wasteful number, since it uses less digits than its factorization.

100310172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269689 (or 269687 counting only the distinct ones).

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

The square root of 100310172 is about 10015.4965927806. The cubic root of 100310172 is about 464.6382850097.

Adding to 100310172 its reverse (271013001), we get a palindrome (371323173).

It can be divided in two parts, 1003 and 10172, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 100310172 in words is "one hundred million, three hundred ten thousand, one hundred seventy-two".