321023141242289 has 2 divisors, whose sum is σ = 321023141242290. Its totient is φ = 321023141242288.

The previous prime is 321023141242283. The next prime is 321023141242301. The reversal of 321023141242289 is 982242141320123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275958544000000 + 45064597242289 = 16612000^2 + 6713017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321023141242289 is a prime.

It is not a weakly prime, because it can be changed into another prime (321023141242283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160511570621144 + 160511570621145.

It is an arithmetic number, because the mean of its divisors is an integer number (160511570621145).

Almost surely, 2^{321023141242289} is an apocalyptic number.

It is an amenable number.

321023141242289 is a deficient number, since it is larger than the sum of its proper divisors (1).

321023141242289 is an equidigital number, since it uses as much as digits as its factorization.

321023141242289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 321023141242289 in words is "three hundred twenty-one trillion, twenty-three billion, one hundred forty-one million, two hundred forty-two thousand, two hundred eighty-nine".