104031583 has 4 divisors (see below), whose sum is σ = 104053768. Its totient is φ = 104009400.

The previous prime is 104031581. The next prime is 104031611. The reversal of 104031583 is 385130401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 385130401 = 523 ⋅736387.

It is a cyclic number.

It is not a de Polignac number, because 104031583 - 2¹ = 104031581 is a prime.

It is a super-2 number, since 2×104031583² = 21645140522971778, 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 (104031581) 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, 993 + ... + 14458.

It is an arithmetic number, because the mean of its divisors is an integer number (26013442).

Almost surely, 2^104031583 is an apocalyptic number.

104031583 is a deficient number, since it is larger than the sum of its proper divisors (22185).

104031583 is an equidigital number, since it uses as much as digits as its factorization.

104031583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22184.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 104031583 is about 10199.5873936155. The cubic root of 104031583 is about 470.3145367027.

Adding to 104031583 its reverse (385130401), we get a palindrome (489161984).

It can be divided in two parts, 1040 and 31583, that added together give a palindrome (32623).

The spelling of 104031583 in words is "one hundred four million, thirty-one thousand, five hundred eighty-three".