321130300273 has 2 divisors, whose sum is σ = 321130300274. Its totient is φ = 321130300272.

The previous prime is 321130300217. The next prime is 321130300291. The reversal of 321130300273 is 372003031123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292586873569 + 28543426704 = 540913^2 + 168948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321130300273 is a prime.

It is not a weakly prime, because it can be changed into another prime (321130340273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160565150136 + 160565150137.

It is an arithmetic number, because the mean of its divisors is an integer number (160565150137).

Almost surely, 2^321130300273 is an apocalyptic number.

It is an amenable number.

321130300273 is a deficient number, since it is larger than the sum of its proper divisors (1).

321130300273 is an equidigital number, since it uses as much as digits as its factorization.

321130300273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 25.

Adding to 321130300273 its reverse (372003031123), we get a palindrome (693133331396).

The spelling of 321130300273 in words is "three hundred twenty-one billion, one hundred thirty million, three hundred thousand, two hundred seventy-three".