321685111042303 has 2 divisors, whose sum is σ = 321685111042304. Its totient is φ = 321685111042302.

The previous prime is 321685111042297. The next prime is 321685111042331. The reversal of 321685111042303 is 303240111586123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321685111042303 - 2²⁵ = 321685077487871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321685111042343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160842555521151 + 160842555521152.

It is an arithmetic number, because the mean of its divisors is an integer number (160842555521152).

Almost surely, 2^{321685111042303} is an apocalyptic number.

321685111042303 is a deficient number, since it is larger than the sum of its proper divisors (1).

321685111042303 is an equidigital number, since it uses as much as digits as its factorization.

321685111042303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 321685111042303 in words is "three hundred twenty-one trillion, six hundred eighty-five billion, one hundred eleven million, forty-two thousand, three hundred three".