323271449161 has 2 divisors, whose sum is σ = 323271449162. Its totient is φ = 323271449160.

The previous prime is 323271449159. The next prime is 323271449173. The reversal of 323271449161 is 161944172323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231535154761 + 91736294400 = 481181^2 + 302880^2 .

It is a cyclic number.

It is not a de Polignac number, because 323271449161 - 2¹ = 323271449159 is a prime.

Together with 323271449159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (323271449461) 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, 161635724580 + 161635724581.

It is an arithmetic number, because the mean of its divisors is an integer number (161635724581).

Almost surely, 2^323271449161 is an apocalyptic number.

It is an amenable number.

323271449161 is a deficient number, since it is larger than the sum of its proper divisors (1).

323271449161 is an equidigital number, since it uses as much as digits as its factorization.

323271449161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The spelling of 323271449161 in words is "three hundred twenty-three billion, two hundred seventy-one million, four hundred forty-nine thousand, one hundred sixty-one".