320010131323 has 4 divisors (see below), whose sum is σ = 320068288768. Its totient is φ = 319951973880.

The previous prime is 320010131321. The next prime is 320010131351. The reversal of 320010131323 is 323131010023.

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 320010131323 - 2¹ = 320010131321 is a prime.

It is a super-3 number, since 3×320010131323³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320010131323.

It is not an unprimeable number, because it can be changed into a prime (320010131321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29070468 + ... + 29081473.

It is an arithmetic number, because the mean of its divisors is an integer number (80017072192).

Almost surely, 2^320010131323 is an apocalyptic number.

320010131323 is a deficient number, since it is larger than the sum of its proper divisors (58157445).

320010131323 is an equidigital number, since it uses as much as digits as its factorization.

320010131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58157444.

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

Adding to 320010131323 its reverse (323131010023), we get a palindrome (643141141346).

The spelling of 320010131323 in words is "three hundred twenty billion, ten million, one hundred thirty-one thousand, three hundred twenty-three".