320204134001 has 2 divisors, whose sum is σ = 320204134002. Its totient is φ = 320204134000.

The previous prime is 320204133979. The next prime is 320204134009. The reversal of 320204134001 is 100431402023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273972683776 + 46231450225 = 523424^2 + 215015^2 .

It is a cyclic number.

It is not a de Polignac number, because 320204134001 - 2¹⁰ = 320204132977 is a prime.

It is a super-3 number, since 3×320204134001³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (320204134009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160102067000 + 160102067001.

It is an arithmetic number, because the mean of its divisors is an integer number (160102067001).

Almost surely, 2^320204134001 is an apocalyptic number.

It is an amenable number.

320204134001 is a deficient number, since it is larger than the sum of its proper divisors (1).

320204134001 is an equidigital number, since it uses as much as digits as its factorization.

320204134001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 320204134001 its reverse (100431402023), we get a palindrome (420635536024).

The spelling of 320204134001 in words is "three hundred twenty billion, two hundred four million, one hundred thirty-four thousand, one".