100231117 has 16 divisors (see below), whose sum is σ = 118518400. Its totient is φ = 84714336.

The previous prime is 100231097. The next prime is 100231121. The reversal of 100231117 is 711132001.

It is not a de Polignac number, because 100231117 - 2¹⁵ = 100198349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100231117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100231717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23038 + ... + 27040.

It is an arithmetic number, because the mean of its divisors is an integer number (7407400).

Almost surely, 2^100231117 is an apocalyptic number.

It is an amenable number.

100231117 is a deficient number, since it is larger than the sum of its proper divisors (18287283).

100231117 is an frugal number, since it uses more digits than its factorization.

100231117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097 (or 4083 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 100231117 is about 10011.5491808211. The cubic root of 100231117 is about 464.5161915980.

Adding to 100231117 its reverse (711132001), we get a palindrome (811363118).

The spelling of 100231117 in words is "one hundred million, two hundred thirty-one thousand, one hundred seventeen".