323130331130149 has 2 divisors, whose sum is σ = 323130331130150. Its totient is φ = 323130331130148.

The previous prime is 323130331130141. The next prime is 323130331130183. The reversal of 323130331130149 is 941031133031323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181705196757249 + 141425134372900 = 13479807^2 + 11892230^2 .

It is an emirp because it is prime and its reverse (941031133031323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323130331130149 - 2³ = 323130331130141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323130331130141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161565165565074 + 161565165565075.

It is an arithmetic number, because the mean of its divisors is an integer number (161565165565075).

Almost surely, 2^{323130331130149} is an apocalyptic number.

It is an amenable number.

323130331130149 is a deficient number, since it is larger than the sum of its proper divisors (1).

323130331130149 is an equidigital number, since it uses as much as digits as its factorization.

323130331130149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 37.

The spelling of 323130331130149 in words is "three hundred twenty-three trillion, one hundred thirty billion, three hundred thirty-one million, one hundred thirty thousand, one hundred forty-nine".