320056463155213 has 2 divisors, whose sum is σ = 320056463155214. Its totient is φ = 320056463155212.

The previous prime is 320056463155201. The next prime is 320056463155241. The reversal of 320056463155213 is 312551364650023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262082523015369 + 57973940139844 = 16188963^2 + 7614062^2 .

It is a cyclic number.

It is not a de Polignac number, because 320056463155213 - 2²⁵ = 320056429600781 is a prime.

It is a super-2 number, since 2×320056463155213² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320056463155243) 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, 160028231577606 + 160028231577607.

It is an arithmetic number, because the mean of its divisors is an integer number (160028231577607).

Almost surely, 2^{320056463155213} is an apocalyptic number.

It is an amenable number.

320056463155213 is a deficient number, since it is larger than the sum of its proper divisors (1).

320056463155213 is an equidigital number, since it uses as much as digits as its factorization.

320056463155213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 320056463155213 in words is "three hundred twenty trillion, fifty-six billion, four hundred sixty-three million, one hundred fifty-five thousand, two hundred thirteen".