131443040310440 has 128 divisors (see below), whose sum is σ = 298172922163200. Its totient is φ = 52147885870080.

The previous prime is 131443040310341. The next prime is 131443040310443. The reversal of 131443040310440 is 44013040344131.

It is a junction number, because it is equal to n+sod(n) for n = 131443040310397 and 131443040310406.

It is not an unprimeable number, because it can be changed into a prime (131443040310443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5106355970 + ... + 5106381710.

It is an arithmetic number, because the mean of its divisors is an integer number (2329475954400).

Almost surely, 2^{131443040310440} is an apocalyptic number.

131443040310440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131443040310440 is an abundant number, since it is smaller than the sum of its proper divisors (166729881852760).

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

131443040310440 is a wasteful number, since it uses less digits than its factorization.

131443040310440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28107 (or 28103 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 131443040310440 its reverse (44013040344131), we get a palindrome (175456080654571).

The spelling of 131443040310440 in words is "one hundred thirty-one trillion, four hundred forty-three billion, forty million, three hundred ten thousand, four hundred forty".