320321300131 has 8 divisors (see below), whose sum is σ = 366138979424. Its totient is φ = 274517994240.

The previous prime is 320321300129. The next prime is 320321300137. The reversal of 320321300131 is 131003123023.

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

It is not a de Polignac number, because 320321300131 - 2¹ = 320321300129 is a prime.

It is a super-2 number, since 2×320321300131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320321300099 and 320321300108.

It is not an unprimeable number, because it can be changed into a prime (320321300137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3545550 + ... + 3634771.

It is an arithmetic number, because the mean of its divisors is an integer number (45767372428).

Almost surely, 2^320321300131 is an apocalyptic number.

320321300131 is a deficient number, since it is larger than the sum of its proper divisors (45817679293).

320321300131 is an equidigital number, since it uses as much as digits as its factorization.

320321300131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186701.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 320321300131 its reverse (131003123023), we get a palindrome (451324423154).

The spelling of 320321300131 in words is "three hundred twenty billion, three hundred twenty-one million, three hundred thousand, one hundred thirty-one".