320240442301 has 8 divisors (see below), whose sum is σ = 344939949144. Its totient is φ = 295550310720.

The previous prime is 320240442283. The next prime is 320240442311. The reversal of 320240442301 is 103244042023.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9043819801 + 311196622500 = 95099^2 + 557850^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320240442301 - 2⁹ = 320240441789 is a prime.

It is a super-2 number, since 2×320240442301² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320240442311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2272786 + ... + 2409571.

It is an arithmetic number, because the mean of its divisors is an integer number (43117493643).

Almost surely, 2^320240442301 is an apocalyptic number.

It is an amenable number.

320240442301 is a deficient number, since it is larger than the sum of its proper divisors (24699506843).

320240442301 is a wasteful number, since it uses less digits than its factorization.

320240442301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687631.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 320240442301 its reverse (103244042023), we get a palindrome (423484484324).

The spelling of 320240442301 in words is "three hundred twenty billion, two hundred forty million, four hundred forty-two thousand, three hundred one".