320355002100241 has 4 divisors (see below), whose sum is σ = 321094851990052. Its totient is φ = 319615152210432.

The previous prime is 320355002100191. The next prime is 320355002100251. The reversal of 320355002100241 is 142001200553023.

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 94655308977216 + 225699693123025 = 9729096^2 + 15023305^2 .

It is a cyclic number.

It is not a de Polignac number, because 320355002100241 - 2²¹ = 320355000003089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320355002100251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369924944256 + ... + 369924945121.

It is an arithmetic number, because the mean of its divisors is an integer number (80273712997513).

Almost surely, 2^{320355002100241} is an apocalyptic number.

It is an amenable number.

320355002100241 is a deficient number, since it is larger than the sum of its proper divisors (739849889811).

320355002100241 is an equidigital number, since it uses as much as digits as its factorization.

320355002100241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739849889810.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 320355002100241 its reverse (142001200553023), we get a palindrome (462356202653264).

The spelling of 320355002100241 in words is "three hundred twenty trillion, three hundred fifty-five billion, two million, one hundred thousand, two hundred forty-one".