43542041131 has 8 divisors (see below), whose sum is σ = 43610157360. Its totient is φ = 43473960288.

The previous prime is 43542041117. The next prime is 43542041143. The reversal of 43542041131 is 13114024534.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43542041131 - 2¹¹ = 43542039083 is a prime.

It is a super-2 number, since 2×43542041131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43542041131.

It is not an unprimeable number, because it can be changed into a prime (43542041161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3466260 + ... + 3478798.

It is an arithmetic number, because the mean of its divisors is an integer number (5451269670).

Almost surely, 2^43542041131 is an apocalyptic number.

43542041131 is a deficient number, since it is larger than the sum of its proper divisors (68116229).

43542041131 is a wasteful number, since it uses less digits than its factorization.

43542041131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17693.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 43542041131 its reverse (13114024534), we get a palindrome (56656065665).

The spelling of 43542041131 in words is "forty-three billion, five hundred forty-two million, forty-one thousand, one hundred thirty-one".