104005343231 has 4 divisors (see below), whose sum is σ = 104005990632. Its totient is φ = 104004695832.

The previous prime is 104005343179. The next prime is 104005343237. The reversal of 104005343231 is 132343500401.

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: 132343500401 = 7 ⋅18906214343.

It is a cyclic number.

It is not a de Polignac number, because 104005343231 - 2¹⁴ = 104005326847 is a prime.

It is a super-2 number, since 2×104005343231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104005343231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104005343237) 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, 120056 + ... + 471618.

It is an arithmetic number, because the mean of its divisors is an integer number (26001497658).

Almost surely, 2^104005343231 is an apocalyptic number.

104005343231 is a deficient number, since it is larger than the sum of its proper divisors (647401).

104005343231 is an equidigital number, since it uses as much as digits as its factorization.

104005343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647400.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 104005343231 its reverse (132343500401), we get a palindrome (236348843632).

The spelling of 104005343231 in words is "one hundred four billion, five million, three hundred forty-three thousand, two hundred thirty-one".