321043102103387 has 2 divisors, whose sum is σ = 321043102103388. Its totient is φ = 321043102103386.

The previous prime is 321043102103371. The next prime is 321043102103417. The reversal of 321043102103387 is 783301201340123.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321043102103387 - 2⁴ = 321043102103371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321043102103387.

It is not a weakly prime, because it can be changed into another prime (321043102105387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160521551051693 + 160521551051694.

It is an arithmetic number, because the mean of its divisors is an integer number (160521551051694).

Almost surely, 2^{321043102103387} is an apocalyptic number.

321043102103387 is a deficient number, since it is larger than the sum of its proper divisors (1).

321043102103387 is an equidigital number, since it uses as much as digits as its factorization.

321043102103387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 321043102103387 in words is "three hundred twenty-one trillion, forty-three billion, one hundred two million, one hundred three thousand, three hundred eighty-seven".