104403531 has 8 divisors (see below), whose sum is σ = 139300560. Its totient is φ = 69554432.

The previous prime is 104403503. The next prime is 104403539. The reversal of 104403531 is 135304401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104403531 - 2¹¹ = 104401483 is a prime.

It is a super-2 number, since 2×104403531² = 21800194570535922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104403498 and 104403507.

It is not an unprimeable number, because it can be changed into a prime (104403539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6546 + ... + 15863.

It is an arithmetic number, because the mean of its divisors is an integer number (17412570).

Almost surely, 2^104403531 is an apocalyptic number.

104403531 is a deficient number, since it is larger than the sum of its proper divisors (34897029).

104403531 is a wasteful number, since it uses less digits than its factorization.

104403531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23965.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 104403531 is about 10217.8046076444. The cubic root of 104403531 is about 470.8743810577.

Adding to 104403531 its reverse (135304401), we get a palindrome (239707932).

The spelling of 104403531 in words is "one hundred four million, four hundred three thousand, five hundred thirty-one".