331201322321323 has 2 divisors, whose sum is σ = 331201322321324. Its totient is φ = 331201322321322.

The previous prime is 331201322321321. The next prime is 331201322321327. The reversal of 331201322321323 is 323123223102133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331201322321323 - 2¹ = 331201322321321 is a prime.

Together with 331201322321321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (331201322321321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165600661160661 + 165600661160662.

It is an arithmetic number, because the mean of its divisors is an integer number (165600661160662).

Almost surely, 2^{331201322321323} is an apocalyptic number.

331201322321323 is a deficient number, since it is larger than the sum of its proper divisors (1).

331201322321323 is an equidigital number, since it uses as much as digits as its factorization.

331201322321323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 331201322321323 its reverse (323123223102133), we get a palindrome (654324545423456).

The spelling of 331201322321323 in words is "three hundred thirty-one trillion, two hundred one billion, three hundred twenty-two million, three hundred twenty-one thousand, three hundred twenty-three".