321131412353 has 2 divisors, whose sum is σ = 321131412354. Its totient is φ = 321131412352.

The previous prime is 321131412331. The next prime is 321131412361. The reversal of 321131412353 is 353214131123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283015488064 + 38115924289 = 531992^2 + 195233^2 .

It is a cyclic number.

It is not a de Polignac number, because 321131412353 - 2¹⁰ = 321131411329 is a prime.

It is not a weakly prime, because it can be changed into another prime (321131402353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160565706176 + 160565706177.

It is an arithmetic number, because the mean of its divisors is an integer number (160565706177).

Almost surely, 2^321131412353 is an apocalyptic number.

It is an amenable number.

321131412353 is a deficient number, since it is larger than the sum of its proper divisors (1).

321131412353 is an equidigital number, since it uses as much as digits as its factorization.

321131412353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

Adding to 321131412353 its reverse (353214131123), we get a palindrome (674345543476).

The spelling of 321131412353 in words is "three hundred twenty-one billion, one hundred thirty-one million, four hundred twelve thousand, three hundred fifty-three".