320231541650201 has 2 divisors, whose sum is σ = 320231541650202. Its totient is φ = 320231541650200.

The previous prime is 320231541650183. The next prime is 320231541650269. The reversal of 320231541650201 is 102056145132023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298243367036176 + 21988174614025 = 17269724^2 + 4689155^2 .

It is a cyclic number.

It is not a de Polignac number, because 320231541650201 - 2³⁸ = 319956663743257 is a prime.

It is not a weakly prime, because it can be changed into another prime (320231541650281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160115770825100 + 160115770825101.

It is an arithmetic number, because the mean of its divisors is an integer number (160115770825101).

Almost surely, 2^{320231541650201} is an apocalyptic number.

It is an amenable number.

320231541650201 is a deficient number, since it is larger than the sum of its proper divisors (1).

320231541650201 is an equidigital number, since it uses as much as digits as its factorization.

320231541650201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 320231541650201 its reverse (102056145132023), we get a palindrome (422287686782224).

The spelling of 320231541650201 in words is "three hundred twenty trillion, two hundred thirty-one billion, five hundred forty-one million, six hundred fifty thousand, two hundred one".