43131342232504 has 128 divisors (see below), whose sum is σ = 87306128640000. Its totient is φ = 19914336915840.

The previous prime is 43131342232453. The next prime is 43131342232549. The reversal of 43131342232504 is 40523224313134.

43131342232504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43131342232504² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 556990669 + ... + 557068099.

It is an arithmetic number, because the mean of its divisors is an integer number (682079130000).

Almost surely, 2^{43131342232504} is an apocalyptic number.

It is an amenable number.

43131342232504 is an abundant number, since it is smaller than the sum of its proper divisors (44174786407496).

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

43131342232504 is a wasteful number, since it uses less digits than its factorization.

43131342232504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78041 (or 78037 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 43131342232504 its reverse (40523224313134), we get a palindrome (83654566545638).

The spelling of 43131342232504 in words is "forty-three trillion, one hundred thirty-one billion, three hundred forty-two million, two hundred thirty-two thousand, five hundred four".