1031104403 has 6 divisors (see below), whose sum is σ = 1199448036. Its totient is φ = 883803732.

The previous prime is 1031104381. The next prime is 1031104429. The reversal of 1031104403 is 3044011301.

It is not a de Polignac number, because 1031104403 - 2¹⁰ = 1031103379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031104433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10521425 + ... + 10521522.

It is an arithmetic number, because the mean of its divisors is an integer number (199908006).

Almost surely, 2^1031104403 is an apocalyptic number.

1031104403 is a deficient number, since it is larger than the sum of its proper divisors (168343633).

1031104403 is an equidigital number, since it uses as much as digits as its factorization.

1031104403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21042961 (or 21042954 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1031104403 is about 32110.8144244272. The cubic root of 1031104403 is about 1010.2624560553.

Adding to 1031104403 its reverse (3044011301), we get a palindrome (4075115704).

The spelling of 1031104403 in words is "one billion, thirty-one million, one hundred four thousand, four hundred three".