320357078066341 has 2 divisors, whose sum is σ = 320357078066342. Its totient is φ = 320357078066340.

The previous prime is 320357078066273. The next prime is 320357078066371. The reversal of 320357078066341 is 143660870753023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234392119416900 + 85964958649441 = 15309870^2 + 9271729^2 .

It is a cyclic number.

It is not a de Polignac number, because 320357078066341 - 2⁴¹ = 318158054810789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320357078066371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160178539033170 + 160178539033171.

It is an arithmetic number, because the mean of its divisors is an integer number (160178539033171).

Almost surely, 2^{320357078066341} is an apocalyptic number.

It is an amenable number.

320357078066341 is a deficient number, since it is larger than the sum of its proper divisors (1).

320357078066341 is an equidigital number, since it uses as much as digits as its factorization.

320357078066341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 320357078066341 in words is "three hundred twenty trillion, three hundred fifty-seven billion, seventy-eight million, sixty-six thousand, three hundred forty-one".