324255320513 has 4 divisors (see below), whose sum is σ = 324349012308. Its totient is φ = 324161628720.

The previous prime is 324255320497. The next prime is 324255320527. The reversal of 324255320513 is 315023552423.

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 229472615089 + 94782705424 = 479033^2 + 307868^2 .

It is a cyclic number.

It is not a de Polignac number, because 324255320513 - 2⁴ = 324255320497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324255320563) 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, 46840706 + ... + 46847627.

It is an arithmetic number, because the mean of its divisors is an integer number (81087253077).

Almost surely, 2^324255320513 is an apocalyptic number.

It is an amenable number.

324255320513 is a deficient number, since it is larger than the sum of its proper divisors (93691795).

324255320513 is an equidigital number, since it uses as much as digits as its factorization.

324255320513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93691794.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 324255320513 its reverse (315023552423), we get a palindrome (639278872936).

The spelling of 324255320513 in words is "three hundred twenty-four billion, two hundred fifty-five million, three hundred twenty thousand, five hundred thirteen".