104040431 has 16 divisors (see below), whose sum is σ = 120683520. Its totient is φ = 88751520.

The previous prime is 104040401. The next prime is 104040439. The reversal of 104040431 is 134040401.

It is not a de Polignac number, because 104040431 - 2⁶ = 104040367 is a prime.

It is a super-2 number, since 2×104040431² = 21648822565331522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104040439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9530 + ... + 17288.

It is an arithmetic number, because the mean of its divisors is an integer number (7542720).

Almost surely, 2^104040431 is an apocalyptic number.

104040431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104040431 is a deficient number, since it is larger than the sum of its proper divisors (16643089).

104040431 is a wasteful number, since it uses less digits than its factorization.

104040431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7846.

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

The square root of 104040431 is about 10200.0211274291. The cubic root of 104040431 is about 470.3278699134.

Adding to 104040431 its reverse (134040401), we get a palindrome (238080832).

The spelling of 104040431 in words is "one hundred four million, forty thousand, four hundred thirty-one".