324313232121545 has 4 divisors (see below), whose sum is σ = 389175878545860. Its totient is φ = 259450585697232.

The previous prime is 324313232121443. The next prime is 324313232121569. The reversal of 324313232121545 is 545121232313423.

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 65091768794809 + 259221463326736 = 8067947^2 + 16100356^2 .

It is a cyclic number.

It is not a de Polignac number, because 324313232121545 - 2⁸ = 324313232121289 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32431323212150 + ... + 32431323212159.

It is an arithmetic number, because the mean of its divisors is an integer number (97293969636465).

Almost surely, 2^{324313232121545} is an apocalyptic number.

It is an amenable number.

324313232121545 is a deficient number, since it is larger than the sum of its proper divisors (64862646424315).

324313232121545 is an equidigital number, since it uses as much as digits as its factorization.

324313232121545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64862646424314.

The product of its digits is 518400, while the sum is 41.

Adding to 324313232121545 its reverse (545121232313423), we get a palindrome (869434464434968).

The spelling of 324313232121545 in words is "three hundred twenty-four trillion, three hundred thirteen billion, two hundred thirty-two million, one hundred twenty-one thousand, five hundred forty-five".