323120100003221 has 2 divisors, whose sum is σ = 323120100003222. Its totient is φ = 323120100003220.

The previous prime is 323120100003179. The next prime is 323120100003251. The reversal of 323120100003221 is 122300001021323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247467853294321 + 75652246708900 = 15731111^2 + 8697830^2 .

It is a cyclic number.

It is not a de Polignac number, because 323120100003221 - 2³⁴ = 323102920134037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323120100003193 and 323120100003202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323120100003251) 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, 161560050001610 + 161560050001611.

It is an arithmetic number, because the mean of its divisors is an integer number (161560050001611).

Almost surely, 2^{323120100003221} is an apocalyptic number.

It is an amenable number.

323120100003221 is a deficient number, since it is larger than the sum of its proper divisors (1).

323120100003221 is an equidigital number, since it uses as much as digits as its factorization.

323120100003221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 323120100003221 its reverse (122300001021323), we get a palindrome (445420101024544).

The spelling of 323120100003221 in words is "three hundred twenty-three trillion, one hundred twenty billion, one hundred million, three thousand, two hundred twenty-one".