320032320131 has 4 divisors (see below), whose sum is σ = 324808921992. Its totient is φ = 315255718272.

The previous prime is 320032320071. The next prime is 320032320173. The reversal of 320032320131 is 131023230023.

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

It is a cyclic number.

It is not a de Polignac number, because 320032320131 - 2¹⁸ = 320032057987 is a prime.

It is a super-3 number, since 3×320032320131³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320032320331) 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 3 ways as a sum of consecutive naturals, for example, 2388300830 + ... + 2388300963.

It is an arithmetic number, because the mean of its divisors is an integer number (81202230498).

Almost surely, 2^320032320131 is an apocalyptic number.

320032320131 is a deficient number, since it is larger than the sum of its proper divisors (4776601861).

320032320131 is an equidigital number, since it uses as much as digits as its factorization.

320032320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776601860.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 320032320131 its reverse (131023230023), we get a palindrome (451055550154).

The spelling of 320032320131 in words is "three hundred twenty billion, thirty-two million, three hundred twenty thousand, one hundred thirty-one".