104442031 has 4 divisors (see below), whose sum is σ = 109939000. Its totient is φ = 98945064.

The previous prime is 104442001. The next prime is 104442043. The reversal of 104442031 is 130244401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104442031 - 2¹⁷ = 104310959 is a prime.

It is a super-2 number, since 2×104442031² = 21816275678809922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5496949 = 104442031 / (1 + 0 + 4 + 4 + 4 + 2 + 0 + 3 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104442001) 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, 2748456 + ... + 2748493.

It is an arithmetic number, because the mean of its divisors is an integer number (27484750).

Almost surely, 2^104442031 is an apocalyptic number.

104442031 is a deficient number, since it is larger than the sum of its proper divisors (5496969).

104442031 is an equidigital number, since it uses as much as digits as its factorization.

104442031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496968.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 104442031 is about 10219.6884003378. The cubic root of 104442031 is about 470.9322540548.

Adding to 104442031 its reverse (130244401), we get a palindrome (234686432).

The spelling of 104442031 in words is "one hundred four million, four hundred forty-two thousand, thirty-one".