100431044 has 12 divisors (see below), whose sum is σ = 200862144. Its totient is φ = 43041864.

The previous prime is 100431043. The next prime is 100431083. The reversal of 100431044 is 440134001.

100431044 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (100431043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793384 + ... + 1793439.

It is an arithmetic number, because the mean of its divisors is an integer number (16738512).

Almost surely, 2^100431044 is an apocalyptic number.

100431044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100431044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100431044 is a wasteful number, since it uses less digits than its factorization.

100431044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586834 (or 3586832 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 100431044 is about 10021.5290250540. The cubic root of 100431044 is about 464.8248370970.

Adding to 100431044 its reverse (440134001), we get a palindrome (540565045).

The spelling of 100431044 in words is "one hundred million, four hundred thirty-one thousand, forty-four".