320521242241 has 8 divisors (see below), whose sum is σ = 342269625600. Its totient is φ = 299485920720.

The previous prime is 320521242227. The next prime is 320521242247. The reversal of 320521242241 is 142242125023.

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 320521242241 - 2¹³ = 320521234049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320521242247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178264531 + ... + 178266328.

It is an arithmetic number, because the mean of its divisors is an integer number (42783703200).

Almost surely, 2^320521242241 is an apocalyptic number.

320521242241 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

320521242241 is a deficient number, since it is larger than the sum of its proper divisors (21748383359).

320521242241 is a wasteful number, since it uses less digits than its factorization.

320521242241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356530919.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 320521242241 its reverse (142242125023), we get a palindrome (462763367264).

The spelling of 320521242241 in words is "three hundred twenty billion, five hundred twenty-one million, two hundred forty-two thousand, two hundred forty-one".