104031043321 has 2 divisors, whose sum is σ = 104031043322. Its totient is φ = 104031043320.

The previous prime is 104031043301. The next prime is 104031043393. The reversal of 104031043321 is 123340130401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75042575721 + 28988467600 = 273939^2 + 170260^2 .

It is an emirp because it is prime and its reverse (123340130401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104031043321 - 2⁵ = 104031043289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104031043292 and 104031043301.

It is not a weakly prime, because it can be changed into another prime (104031043301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52015521660 + 52015521661.

It is an arithmetic number, because the mean of its divisors is an integer number (52015521661).

Almost surely, 2^104031043321 is an apocalyptic number.

It is an amenable number.

104031043321 is a deficient number, since it is larger than the sum of its proper divisors (1).

104031043321 is an equidigital number, since it uses as much as digits as its factorization.

104031043321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 104031043321 its reverse (123340130401), we get a palindrome (227371173722).

The spelling of 104031043321 in words is "one hundred four billion, thirty-one million, forty-three thousand, three hundred twenty-one".