104344431213221 has 8 divisors (see below), whose sum is σ = 104976812528280. Its totient is φ = 103713586670592.

The previous prime is 104344431213167. The next prime is 104344431213247. The reversal of 104344431213221 is 122312134443401.

It can be written as a sum of positive squares in 4 ways, for example, as 38509285192225 + 65835146020996 = 6205585^2 + 8113886^2 .

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 104344431213221 - 2⁴² = 99946384702117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104344431513221) 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, 384056900 + ... + 384328493.

It is an arithmetic number, because the mean of its divisors is an integer number (13122101566035).

Almost surely, 2^{104344431213221} is an apocalyptic number.

It is an amenable number.

104344431213221 is a deficient number, since it is larger than the sum of its proper divisors (632381315059).

104344431213221 is an equidigital number, since it uses as much as digits as its factorization.

104344431213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768386215.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 104344431213221 its reverse (122312134443401), we get a palindrome (226656565656622).

The spelling of 104344431213221 in words is "one hundred four trillion, three hundred forty-four billion, four hundred thirty-one million, two hundred thirteen thousand, two hundred twenty-one".