323130331133149 has 2 divisors, whose sum is σ = 323130331133150. Its totient is φ = 323130331133148.

The previous prime is 323130331133117. The next prime is 323130331133221. The reversal of 323130331133149 is 941331133031323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310028211633924 + 13102119499225 = 17607618^2 + 3619685^2 .

It is an emirp because it is prime and its reverse (941331133031323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323130331133149 - 2⁵ = 323130331133117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323130331130149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161565165566574 + 161565165566575.

It is an arithmetic number, because the mean of its divisors is an integer number (161565165566575).

Almost surely, 2^{323130331133149} is an apocalyptic number.

It is an amenable number.

323130331133149 is a deficient number, since it is larger than the sum of its proper divisors (1).

323130331133149 is an equidigital number, since it uses as much as digits as its factorization.

323130331133149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 40.

The spelling of 323130331133149 in words is "three hundred twenty-three trillion, one hundred thirty billion, three hundred thirty-one million, one hundred thirty-three thousand, one hundred forty-nine".