320352435710121 has 16 divisors (see below), whose sum is σ = 449673705669440. Its totient is φ = 202302540714240.

The previous prime is 320352435710101. The next prime is 320352435710123. The reversal of 320352435710121 is 121017534253023.

It is not a de Polignac number, because 320352435710121 - 2¹⁷ = 320352435579049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320352435710121.

It is not an unprimeable number, because it can be changed into a prime (320352435710123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351115660 + ... + 352026861.

It is an arithmetic number, because the mean of its divisors is an integer number (28104606604340).

Almost surely, 2^{320352435710121} is an apocalyptic number.

It is an amenable number.

320352435710121 is a deficient number, since it is larger than the sum of its proper divisors (129321269959319).

320352435710121 is a wasteful number, since it uses less digits than its factorization.

320352435710121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703150536.

The product of its (nonzero) digits is 151200, while the sum is 39.

Adding to 320352435710121 its reverse (121017534253023), we get a palindrome (441369969963144).

The spelling of 320352435710121 in words is "three hundred twenty trillion, three hundred fifty-two billion, four hundred thirty-five million, seven hundred ten thousand, one hundred twenty-one".