323131230101 has 2 divisors, whose sum is σ = 323131230102. Its totient is φ = 323131230100.

The previous prime is 323131230083. The next prime is 323131230187. The reversal of 323131230101 is 101032131323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311781523876 + 11349706225 = 558374^2 + 106535^2 .

It is a cyclic number.

It is not a de Polignac number, because 323131230101 - 2³⁴ = 305951360917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323131230001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161565615050 + 161565615051.

It is an arithmetic number, because the mean of its divisors is an integer number (161565615051).

Almost surely, 2^323131230101 is an apocalyptic number.

It is an amenable number.

323131230101 is a deficient number, since it is larger than the sum of its proper divisors (1).

323131230101 is an equidigital number, since it uses as much as digits as its factorization.

323131230101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 323131230101 its reverse (101032131323), we get a palindrome (424163361424).

The spelling of 323131230101 in words is "three hundred twenty-three billion, one hundred thirty-one million, two hundred thirty thousand, one hundred one".