43031078047 has 4 divisors (see below), whose sum is σ = 43098209856. Its totient is φ = 42963946240.

The previous prime is 43031078023. The next prime is 43031078053. The reversal of 43031078047 is 74087013034.

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 43031078047 - 2³⁵ = 8671339679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43031077997 and 43031078015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43031078947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33564943 + ... + 33566224.

It is an arithmetic number, because the mean of its divisors is an integer number (10774552464).

Almost surely, 2^43031078047 is an apocalyptic number.

43031078047 is a deficient number, since it is larger than the sum of its proper divisors (67131809).

43031078047 is an equidigital number, since it uses as much as digits as its factorization.

43031078047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67131808.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 43031078047 in words is "forty-three billion, thirty-one million, seventy-eight thousand, forty-seven".