104021245313 has 2 divisors, whose sum is σ = 104021245314. Its totient is φ = 104021245312.

The previous prime is 104021245301. The next prime is 104021245369. The reversal of 104021245313 is 313542120401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69154272784 + 34866972529 = 262972^2 + 186727^2 .

It is a cyclic number.

It is not a de Polignac number, because 104021245313 - 2²⁴ = 104004468097 is a prime.

It is not a weakly prime, because it can be changed into another prime (104021245213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52010622656 + 52010622657.

It is an arithmetic number, because the mean of its divisors is an integer number (52010622657).

Almost surely, 2^104021245313 is an apocalyptic number.

It is an amenable number.

104021245313 is a deficient number, since it is larger than the sum of its proper divisors (1).

104021245313 is an equidigital number, since it uses as much as digits as its factorization.

104021245313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 104021245313 its reverse (313542120401), we get a palindrome (417563365714).

The spelling of 104021245313 in words is "one hundred four billion, twenty-one million, two hundred forty-five thousand, three hundred thirteen".