320231541650441 has 8 divisors (see below), whose sum is σ = 328886679437640. Its totient is φ = 311576416034688.

The previous prime is 320231541650431. The next prime is 320231541650459. The reversal of 320231541650441 is 144056145132023.

It can be written as a sum of positive squares in 4 ways, for example, as 408571526416 + 319822970124025 = 639196^2 + 17883595^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320231541650441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320231541650431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81920045 + ... + 85740053.

It is an arithmetic number, because the mean of its divisors is an integer number (41110834929705).

Almost surely, 2^{320231541650441} is an apocalyptic number.

It is an amenable number.

320231541650441 is a deficient number, since it is larger than the sum of its proper divisors (8655137787199).

320231541650441 is a wasteful number, since it uses less digits than its factorization.

320231541650441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6085723.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 320231541650441 its reverse (144056145132023), we get a palindrome (464287686782464).

The spelling of 320231541650441 in words is "three hundred twenty trillion, two hundred thirty-one billion, five hundred forty-one million, six hundred fifty thousand, four hundred forty-one".