321052540242377 has 2 divisors, whose sum is σ = 321052540242378. Its totient is φ = 321052540242376.

The previous prime is 321052540242341. The next prime is 321052540242397. The reversal of 321052540242377 is 773242045250123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297062322366016 + 23990217876361 = 17235496^2 + 4897981^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321052540242377 is a prime.

It is a super-2 number, since 2×321052540242377² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321052540242337) 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, 160526270121188 + 160526270121189.

It is an arithmetic number, because the mean of its divisors is an integer number (160526270121189).

Almost surely, 2^{321052540242377} is an apocalyptic number.

It is an amenable number.

321052540242377 is a deficient number, since it is larger than the sum of its proper divisors (1).

321052540242377 is an equidigital number, since it uses as much as digits as its factorization.

321052540242377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 47.

The spelling of 321052540242377 in words is "three hundred twenty-one trillion, fifty-two billion, five hundred forty million, two hundred forty-two thousand, three hundred seventy-seven".