104403031 has 4 divisors (see below), whose sum is σ = 104423472. Its totient is φ = 104382592.

The previous prime is 104403029. The next prime is 104403053. The reversal of 104403031 is 130304401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 130304401 = 277 ⋅470413.

It is a cyclic number.

It is not a de Polignac number, because 104403031 - 2¹ = 104403029 is a prime.

It is a super-2 number, since 2×104403031² = 21799985763973922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104402996 and 104403014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104403731) 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, 4791 + ... + 15223.

It is an arithmetic number, because the mean of its divisors is an integer number (26105868).

Almost surely, 2^104403031 is an apocalyptic number.

104403031 is a deficient number, since it is larger than the sum of its proper divisors (20441).

104403031 is a wasteful number, since it uses less digits than its factorization.

104403031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20440.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 104403031 is about 10217.7801405198. The cubic root of 104403031 is about 470.8736293668.

Adding to 104403031 its reverse (130304401), we get a palindrome (234707432).

The spelling of 104403031 in words is "one hundred four million, four hundred three thousand, thirty-one".