43243122031 has 8 divisors (see below), whose sum is σ = 44737650720. Its totient is φ = 41748819168.

The previous prime is 43243122017. The next prime is 43243122103. The reversal of 43243122031 is 13022134234.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43243122031 is a prime.

It is a super-2 number, since 2×43243122031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43243121987 and 43243122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243123031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394230 + ... + 491836.

It is an arithmetic number, because the mean of its divisors is an integer number (5592206340).

Almost surely, 2^43243122031 is an apocalyptic number.

43243122031 is a deficient number, since it is larger than the sum of its proper divisors (1494528689).

43243122031 is a wasteful number, since it uses less digits than its factorization.

43243122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112913.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 43243122031 its reverse (13022134234), we get a palindrome (56265256265).

The spelling of 43243122031 in words is "forty-three billion, two hundred forty-three million, one hundred twenty-two thousand, thirty-one".