320336504334541 has 4 divisors (see below), whose sum is σ = 328994247694972. Its totient is φ = 311678760974112.

The previous prime is 320336504334499. The next prime is 320336504334551. The reversal of 320336504334541 is 145433405633023.

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 285827341532041 + 34509162802500 = 16906429^2 + 5874450^2 .

It is a cyclic number.

It is not a de Polignac number, because 320336504334541 - 2³³ = 320327914399949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320336504334491 and 320336504334500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320336504334551) 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, 4328871680160 + ... + 4328871680233.

It is an arithmetic number, because the mean of its divisors is an integer number (82248561923743).

Almost surely, 2^{320336504334541} is an apocalyptic number.

It is an amenable number.

320336504334541 is a deficient number, since it is larger than the sum of its proper divisors (8657743360431).

320336504334541 is an equidigital number, since it uses as much as digits as its factorization.

320336504334541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8657743360430.

The product of its (nonzero) digits is 4665600, while the sum is 46.

Adding to 320336504334541 its reverse (145433405633023), we get a palindrome (465769909967564).

The spelling of 320336504334541 in words is "three hundred twenty trillion, three hundred thirty-six billion, five hundred four million, three hundred thirty-four thousand, five hundred forty-one".