323130121033 has 2 divisors, whose sum is σ = 323130121034. Its totient is φ = 323130121032.

The previous prime is 323130121003. The next prime is 323130121117. The reversal of 323130121033 is 330121031323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287283136144 + 35846984889 = 535988^2 + 189333^2 .

It is an emirp because it is prime and its reverse (330121031323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323130121033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323130120995 and 323130121013.

It is not a weakly prime, because it can be changed into another prime (323130121003) 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, 161565060516 + 161565060517.

It is an arithmetic number, because the mean of its divisors is an integer number (161565060517).

Almost surely, 2^323130121033 is an apocalyptic number.

It is an amenable number.

323130121033 is a deficient number, since it is larger than the sum of its proper divisors (1).

323130121033 is an equidigital number, since it uses as much as digits as its factorization.

323130121033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 323130121033 its reverse (330121031323), we get a palindrome (653251152356).

The spelling of 323130121033 in words is "three hundred twenty-three billion, one hundred thirty million, one hundred twenty-one thousand, thirty-three".