323134349981 has 2 divisors, whose sum is σ = 323134349982. Its totient is φ = 323134349980.

The previous prime is 323134349971. The next prime is 323134349983. The reversal of 323134349981 is 189943431323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247440584356 + 75693765625 = 497434^2 + 275125^2 .

It is a cyclic number.

It is not a de Polignac number, because 323134349981 - 2¹⁴ = 323134333597 is a prime.

It is a super-2 number, since 2×323134349981² (a number of 24 digits) contains 22 as substring.

Together with 323134349983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323134349983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161567174990 + 161567174991.

It is an arithmetic number, because the mean of its divisors is an integer number (161567174991).

Almost surely, 2^323134349981 is an apocalyptic number.

It is an amenable number.

323134349981 is a deficient number, since it is larger than the sum of its proper divisors (1).

323134349981 is an equidigital number, since it uses as much as digits as its factorization.

323134349981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 50.

The spelling of 323134349981 in words is "three hundred twenty-three billion, one hundred thirty-four million, three hundred forty-nine thousand, nine hundred eighty-one".