131372323616 has 48 divisors (see below), whose sum is σ = 259841846880. Its totient is φ = 65381022720.

The previous prime is 131372323609. The next prime is 131372323651. The reversal of 131372323616 is 616323273131.

It is a self number, because there is not a number n which added to its sum of digits gives 131372323616.

It is an unprimeable number.

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, 25130795 + ... + 25136021.

It is an arithmetic number, because the mean of its divisors is an integer number (5413371810).

Almost surely, 2^131372323616 is an apocalyptic number.

131372323616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131372323616 is a deficient number, since it is larger than the sum of its proper divisors (128469523264).

131372323616 is a wasteful number, since it uses less digits than its factorization.

131372323616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8737 (or 8729 counting only the distinct ones).

The product of its digits is 81648, while the sum is 38.

Adding to 131372323616 its reverse (616323273131), we get a palindrome (747695596747).

The spelling of 131372323616 in words is "one hundred thirty-one billion, three hundred seventy-two million, three hundred twenty-three thousand, six hundred sixteen".