320131242443 has 8 divisors (see below), whose sum is σ = 324087568896. Its totient is φ = 316177281000.

The previous prime is 320131242437. The next prime is 320131242449. The reversal of 320131242443 is 344242131023.

It is an interprime number because it is at equal distance from previous prime (320131242437) and next prime (320131242449).

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

It is a cyclic number.

It is not a de Polignac number, because 320131242443 - 2⁴ = 320131242427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320131242449) 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 7 ways as a sum of consecutive naturals, for example, 318083 + ... + 861068.

It is an arithmetic number, because the mean of its divisors is an integer number (40510946112).

Almost surely, 2^320131242443 is an apocalyptic number.

320131242443 is a deficient number, since it is larger than the sum of its proper divisors (3956326453).

320131242443 is a wasteful number, since it uses less digits than its factorization.

320131242443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182505.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 320131242443 its reverse (344242131023), we get a palindrome (664373373466).

The spelling of 320131242443 in words is "three hundred twenty billion, one hundred thirty-one million, two hundred forty-two thousand, four hundred forty-three".