321025042267 has 2 divisors, whose sum is σ = 321025042268. Its totient is φ = 321025042266.

The previous prime is 321025042243. The next prime is 321025042277. The reversal of 321025042267 is 762240520123.

It is a strong prime.

It is an emirp because it is prime and its reverse (762240520123) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321025042267 is a prime.

It is not a weakly prime, because it can be changed into another prime (321025042277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160512521133 + 160512521134.

It is an arithmetic number, because the mean of its divisors is an integer number (160512521134).

Almost surely, 2^321025042267 is an apocalyptic number.

321025042267 is a deficient number, since it is larger than the sum of its proper divisors (1).

321025042267 is an equidigital number, since it uses as much as digits as its factorization.

321025042267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 321025042267 in words is "three hundred twenty-one billion, twenty-five million, forty-two thousand, two hundred sixty-seven".