131223114330440 has 64 divisors (see below), whose sum is σ = 341039751701760. Its totient is φ = 44910584581120.

The previous prime is 131223114330431. The next prime is 131223114330443. The reversal of 131223114330440 is 44033411322131.

It is a junction number, because it is equal to n+sod(n) for n = 131223114330397 and 131223114330406.

It is not an unprimeable number, because it can be changed into a prime (131223114330443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8771591072 + ... + 8771606031.

It is an arithmetic number, because the mean of its divisors is an integer number (5328746120340).

Almost surely, 2^{131223114330440} is an apocalyptic number.

131223114330440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131223114330440 is an abundant number, since it is smaller than the sum of its proper divisors (209816637371320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131223114330440 is a wasteful number, since it uses less digits than its factorization.

131223114330440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17543197142 (or 17543197138 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 131223114330440 its reverse (44033411322131), we get a palindrome (175256525652571).

The spelling of 131223114330440 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, one hundred fourteen million, three hundred thirty thousand, four hundred forty".