43122432031 has 16 divisors (see below), whose sum is σ = 49968970048. Its totient is φ = 36447667200.

The previous prime is 43122431969. The next prime is 43122432071. The reversal of 43122432031 is 13023422134.

It is a de Polignac number, because none of the positive numbers 2^k-43122432031 is a prime.

It is a super-2 number, since 2×43122432031² (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 = 43122431987 and 43122432005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43122432071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3858091 + ... + 3869251.

It is an arithmetic number, because the mean of its divisors is an integer number (3123060628).

Almost surely, 2^43122432031 is an apocalyptic number.

43122432031 is a deficient number, since it is larger than the sum of its proper divisors (6846538017).

43122432031 is a wasteful number, since it uses less digits than its factorization.

43122432031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18802.

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

Adding to 43122432031 its reverse (13023422134), we get a palindrome (56145854165).

The spelling of 43122432031 in words is "forty-three billion, one hundred twenty-two million, four hundred thirty-two thousand, thirty-one".