321223313113 has 2 divisors, whose sum is σ = 321223313114. Its totient is φ = 321223313112.

The previous prime is 321223313107. The next prime is 321223313149. The reversal of 321223313113 is 311313322123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263617552969 + 57605760144 = 513437^2 + 240012^2 .

It is a cyclic number.

It is not a de Polignac number, because 321223313113 - 2⁹ = 321223312601 is a prime.

It is not a weakly prime, because it can be changed into another prime (321223313183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160611656556 + 160611656557.

It is an arithmetic number, because the mean of its divisors is an integer number (160611656557).

Almost surely, 2^321223313113 is an apocalyptic number.

It is an amenable number.

321223313113 is a deficient number, since it is larger than the sum of its proper divisors (1).

321223313113 is an equidigital number, since it uses as much as digits as its factorization.

321223313113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 25.

Adding to 321223313113 its reverse (311313322123), we get a palindrome (632536635236).

The spelling of 321223313113 in words is "three hundred twenty-one billion, two hundred twenty-three million, three hundred thirteen thousand, one hundred thirteen".