100831289 has 16 divisors (see below), whose sum is σ = 113944320. Its totient is φ = 88576320.

The previous prime is 100831279. The next prime is 100831319. The reversal of 100831289 is 982138001.

It is a cyclic number.

It is not a de Polignac number, because 100831289 - 2⁸ = 100831033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100831249) 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, 24884 + ... + 28650.

It is an arithmetic number, because the mean of its divisors is an integer number (7121520).

Almost surely, 2^100831289 is an apocalyptic number.

It is an amenable number.

100831289 is a deficient number, since it is larger than the sum of its proper divisors (13113031).

100831289 is a wasteful number, since it uses less digits than its factorization.

100831289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 100831289 is about 10041.4784270047. The cubic root of 100831289 is about 465.4415030541.

The spelling of 100831289 in words is "one hundred million, eight hundred thirty-one thousand, two hundred eighty-nine".