43031400125 has 32 divisors (see below), whose sum is σ = 61419181824. Its totient is φ = 29486040000.

The previous prime is 43031400079. The next prime is 43031400149. The reversal of 43031400125 is 52100413034.

It is not a de Polignac number, because 43031400125 - 2²⁶ = 42964291261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43031400125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1252679 + ... + 1286571.

It is an arithmetic number, because the mean of its divisors is an integer number (1919349432).

Almost surely, 2^43031400125 is an apocalyptic number.

It is an amenable number.

43031400125 is a deficient number, since it is larger than the sum of its proper divisors (18387781699).

43031400125 is a wasteful number, since it uses less digits than its factorization.

43031400125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35366 (or 35356 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 43031400125 its reverse (52100413034), we get a palindrome (95131813159).

The spelling of 43031400125 in words is "forty-three billion, thirty-one million, four hundred thousand, one hundred twenty-five".