43305125131 has 4 divisors (see below), whose sum is σ = 43317055264. Its totient is φ = 43293195000.

The previous prime is 43305125111. The next prime is 43305125141. The reversal of 43305125131 is 13152150334.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43305125131 - 2²³ = 43296736523 is a prime.

It is a super-2 number, since 2×43305125131² (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 43305125131.

It is not an unprimeable number, because it can be changed into a prime (43305125111) 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 3 ways as a sum of consecutive naturals, for example, 5959620 + ... + 5966881.

It is an arithmetic number, because the mean of its divisors is an integer number (10829263816).

Almost surely, 2^43305125131 is an apocalyptic number.

43305125131 is a deficient number, since it is larger than the sum of its proper divisors (11930133).

43305125131 is a wasteful number, since it uses less digits than its factorization.

43305125131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930132.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 43305125131 its reverse (13152150334), we get a palindrome (56457275465).

The spelling of 43305125131 in words is "forty-three billion, three hundred five million, one hundred twenty-five thousand, one hundred thirty-one".