320056660424311 has 2 divisors, whose sum is σ = 320056660424312. Its totient is φ = 320056660424310.

The previous prime is 320056660424257. The next prime is 320056660424359. The reversal of 320056660424311 is 113424066650023.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320056660424311 - 2¹⁹ = 320056659900023 is a prime.

It is a super-3 number, since 3×320056660424311³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320056660425311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160028330212155 + 160028330212156.

It is an arithmetic number, because the mean of its divisors is an integer number (160028330212156).

Almost surely, 2^{320056660424311} is an apocalyptic number.

320056660424311 is a deficient number, since it is larger than the sum of its proper divisors (1).

320056660424311 is an equidigital number, since it uses as much as digits as its factorization.

320056660424311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 320056660424311 in words is "three hundred twenty trillion, fifty-six billion, six hundred sixty million, four hundred twenty-four thousand, three hundred eleven".