321112230113 has 2 divisors, whose sum is σ = 321112230114. Its totient is φ = 321112230112.

The previous prime is 321112230079. The next prime is 321112230161. The reversal of 321112230113 is 311032211123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318831881104 + 2280349009 = 564652^2 + 47753^2 .

It is a cyclic number.

It is not a de Polignac number, because 321112230113 - 2¹⁶ = 321112164577 is a prime.

It is a super-2 number, since 2×321112230113² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321112232113) 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, 160556115056 + 160556115057.

It is an arithmetic number, because the mean of its divisors is an integer number (160556115057).

Almost surely, 2^321112230113 is an apocalyptic number.

It is an amenable number.

321112230113 is a deficient number, since it is larger than the sum of its proper divisors (1).

321112230113 is an equidigital number, since it uses as much as digits as its factorization.

321112230113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 321112230113 its reverse (311032211123), we get a palindrome (632144441236).

The spelling of 321112230113 in words is "three hundred twenty-one billion, one hundred twelve million, two hundred thirty thousand, one hundred thirteen".