320321131201 has 4 divisors (see below), whose sum is σ = 320368882900. Its totient is φ = 320273379504.

The previous prime is 320321131187. The next prime is 320321131321. The reversal of 320321131201 is 102131123023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118404810000 + 201916321201 = 344100^2 + 449351^2 .

It is a cyclic number.

It is not a de Polignac number, because 320321131201 - 2⁷ = 320321131073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320321131601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23865786 + ... + 23879203.

It is an arithmetic number, because the mean of its divisors is an integer number (80092220725).

Almost surely, 2^320321131201 is an apocalyptic number.

It is an amenable number.

320321131201 is a deficient number, since it is larger than the sum of its proper divisors (47751699).

320321131201 is an equidigital number, since it uses as much as digits as its factorization.

320321131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47751698.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 320321131201 its reverse (102131123023), we get a palindrome (422452254224).

The spelling of 320321131201 in words is "three hundred twenty billion, three hundred twenty-one million, one hundred thirty-one thousand, two hundred one".