320356602613 has 2 divisors, whose sum is σ = 320356602614. Its totient is φ = 320356602612.

The previous prime is 320356602557. The next prime is 320356602617. The reversal of 320356602613 is 316206653023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282872932164 + 37483670449 = 531858^2 + 193607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320356602613 is a prime.

It is a super-3 number, since 3×320356602613³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320356602617) 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, 160178301306 + 160178301307.

It is an arithmetic number, because the mean of its divisors is an integer number (160178301307).

Almost surely, 2^320356602613 is an apocalyptic number.

It is an amenable number.

320356602613 is a deficient number, since it is larger than the sum of its proper divisors (1).

320356602613 is an equidigital number, since it uses as much as digits as its factorization.

320356602613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 320356602613 in words is "three hundred twenty billion, three hundred fifty-six million, six hundred two thousand, six hundred thirteen".