320342243441 has 16 divisors (see below), whose sum is σ = 350898041088. Its totient is φ = 290026780800.

The previous prime is 320342243399. The next prime is 320342243479. The reversal of 320342243441 is 144342243023.

It is a cyclic number.

It is not a de Polignac number, because 320342243441 - 2¹⁴ = 320342227057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320342243398 and 320342243407.

It is not an unprimeable number, because it can be changed into a prime (320342213441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4759181 + ... + 4826021.

It is an arithmetic number, because the mean of its divisors is an integer number (21931127568).

Almost surely, 2^320342243441 is an apocalyptic number.

It is an amenable number.

320342243441 is a deficient number, since it is larger than the sum of its proper divisors (30555797647).

320342243441 is a wasteful number, since it uses less digits than its factorization.

320342243441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68632.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 320342243441 its reverse (144342243023), we get a palindrome (464684486464).

The spelling of 320342243441 in words is "three hundred twenty billion, three hundred forty-two million, two hundred forty-three thousand, four hundred forty-one".