131043124232320 has 64 divisors (see below), whose sum is σ = 313320666245400. Its totient is φ = 52409603596288.

The previous prime is 131043124232291. The next prime is 131043124232329. The reversal of 131043124232320 is 23232421340131.

It can be written as a sum of positive squares in 4 ways, for example, as 103110377131584 + 27932747100736 = 10154328^2 + 5285144^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (131043124232329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10541875 + ... + 19318834.

Almost surely, 2^{131043124232320} is an apocalyptic number.

131043124232320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131043124232320 is an abundant number, since it is smaller than the sum of its proper divisors (182277542013080).

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

131043124232320 is an equidigital number, since it uses as much as digits as its factorization.

131043124232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29867585 (or 29867573 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 131043124232320 its reverse (23232421340131), we get a palindrome (154275545572451).

The spelling of 131043124232320 in words is "one hundred thirty-one trillion, forty-three billion, one hundred twenty-four million, two hundred thirty-two thousand, three hundred twenty".