321100110113 has 2 divisors, whose sum is σ = 321100110114. Its totient is φ = 321100110112.

The previous prime is 321100110109. The next prime is 321100110151. The reversal of 321100110113 is 311011001123.

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., 285676353169 + 35423756944 = 534487^2 + 188212^2 .

It is a cyclic number.

It is not a de Polignac number, because 321100110113 - 2² = 321100110109 is a prime.

It is not a weakly prime, because it can be changed into another prime (321100110013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160550055056 + 160550055057.

It is an arithmetic number, because the mean of its divisors is an integer number (160550055057).

Almost surely, 2^321100110113 is an apocalyptic number.

It is an amenable number.

321100110113 is a deficient number, since it is larger than the sum of its proper divisors (1).

321100110113 is an equidigital number, since it uses as much as digits as its factorization.

321100110113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 321100110113 its reverse (311011001123), we get a palindrome (632111111236).

The spelling of 321100110113 in words is "three hundred twenty-one billion, one hundred million, one hundred ten thousand, one hundred thirteen".