131543044224520 has 64 divisors (see below), whose sum is σ = 311787687412800. Its totient is φ = 49809750900480.

The previous prime is 131543044224511. The next prime is 131543044224547. The reversal of 131543044224520 is 25422440345131.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65220511 + ... + 67207150.

It is an arithmetic number, because the mean of its divisors is an integer number (4871682615825).

Almost surely, 2^{131543044224520} is an apocalyptic number.

131543044224520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131543044224520 is an abundant number, since it is smaller than the sum of its proper divisors (180244643188280).

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

131543044224520 is a wasteful number, since it uses less digits than its factorization.

131543044224520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132428998 (or 132428994 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 131543044224520 its reverse (25422440345131), we get a palindrome (156965484569651).

The spelling of 131543044224520 in words is "one hundred thirty-one trillion, five hundred forty-three billion, forty-four million, two hundred twenty-four thousand, five hundred twenty".