321124050817 has 2 divisors, whose sum is σ = 321124050818. Its totient is φ = 321124050816.

The previous prime is 321124050809. The next prime is 321124050829. The reversal of 321124050817 is 718050421123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233019563841 + 88104486976 = 482721^2 + 296824^2 .

It is a cyclic number.

It is not a de Polignac number, because 321124050817 - 2³ = 321124050809 is a prime.

It is not a weakly prime, because it can be changed into another prime (321124050847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160562025408 + 160562025409.

It is an arithmetic number, because the mean of its divisors is an integer number (160562025409).

Almost surely, 2^321124050817 is an apocalyptic number.

It is an amenable number.

321124050817 is a deficient number, since it is larger than the sum of its proper divisors (1).

321124050817 is an equidigital number, since it uses as much as digits as its factorization.

321124050817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 321124050817 in words is "three hundred twenty-one billion, one hundred twenty-four million, fifty thousand, eight hundred seventeen".