321212031030113 has 2 divisors, whose sum is σ = 321212031030114. Its totient is φ = 321212031030112.

The previous prime is 321212031030089. The next prime is 321212031030193. The reversal of 321212031030113 is 311030130212123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215986759534144 + 105225271495969 = 14696488^2 + 10257937^2 .

It is a cyclic number.

It is not a de Polignac number, because 321212031030113 - 2¹² = 321212031026017 is a prime.

It is not a weakly prime, because it can be changed into another prime (321212031030193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160606015515056 + 160606015515057.

It is an arithmetic number, because the mean of its divisors is an integer number (160606015515057).

Almost surely, 2^{321212031030113} is an apocalyptic number.

It is an amenable number.

321212031030113 is a deficient number, since it is larger than the sum of its proper divisors (1).

321212031030113 is an equidigital number, since it uses as much as digits as its factorization.

321212031030113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 321212031030113 its reverse (311030130212123), we get a palindrome (632242161242236).

The spelling of 321212031030113 in words is "three hundred twenty-one trillion, two hundred twelve billion, thirty-one million, thirty thousand, one hundred thirteen".