320352435710105 has 4 divisors (see below), whose sum is σ = 384422922852132. Its totient is φ = 256281948568080.

The previous prime is 320352435710101. The next prime is 320352435710123. The reversal of 320352435710105 is 501017534253023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 254505962217049 + 65846473493056 = 15953243^2 + 8114584^2 .

It is not a de Polignac number, because 320352435710105 - 2² = 320352435710101 is a prime.

It is a super-2 number, since 2×320352435710105² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320352435710101) 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 3 ways as a sum of consecutive naturals, for example, 32035243571006 + ... + 32035243571015.

It is an arithmetic number, because the mean of its divisors is an integer number (96105730713033).

Almost surely, 2^{320352435710105} is an apocalyptic number.

It is an amenable number.

320352435710105 is a deficient number, since it is larger than the sum of its proper divisors (64070487142027).

320352435710105 is an equidigital number, since it uses as much as digits as its factorization.

320352435710105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64070487142026.

The product of its (nonzero) digits is 378000, while the sum is 41.

Adding to 320352435710105 its reverse (501017534253023), we get a palindrome (821369969963128).

The spelling of 320352435710105 in words is "three hundred twenty trillion, three hundred fifty-two billion, four hundred thirty-five million, seven hundred ten thousand, one hundred five".