323013003221 has 2 divisors, whose sum is σ = 323013003222. Its totient is φ = 323013003220.

The previous prime is 323013003211. The next prime is 323013003233. The reversal of 323013003221 is 122300310323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255137122321 + 67875880900 = 505111^2 + 260530^2 .

It is an emirp because it is prime and its reverse (122300310323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323013003221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323013003193 and 323013003202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323013003211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161506501610 + 161506501611.

It is an arithmetic number, because the mean of its divisors is an integer number (161506501611).

Almost surely, 2^323013003221 is an apocalyptic number.

It is an amenable number.

323013003221 is a deficient number, since it is larger than the sum of its proper divisors (1).

323013003221 is an equidigital number, since it uses as much as digits as its factorization.

323013003221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 323013003221 its reverse (122300310323), we get a palindrome (445313313544).

The spelling of 323013003221 in words is "three hundred twenty-three billion, thirteen million, three thousand, two hundred twenty-one".