43124421031 has 8 divisors (see below), whose sum is σ = 44083212480. Its totient is φ = 42167348448.

The previous prime is 43124421001. The next prime is 43124421071. The reversal of 43124421031 is 13012442134.

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-43124421031 is a prime.

It is a super-2 number, since 2×43124421031² (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 = 43124420987 and 43124421005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43124421001) 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 7 ways as a sum of consecutive naturals, for example, 378916 + ... + 479401.

It is an arithmetic number, because the mean of its divisors is an integer number (5510401560).

Almost surely, 2^43124421031 is an apocalyptic number.

43124421031 is a deficient number, since it is larger than the sum of its proper divisors (958791449).

43124421031 is a wasteful number, since it uses less digits than its factorization.

43124421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859433.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 43124421031 its reverse (13012442134), we get a palindrome (56136863165).

The spelling of 43124421031 in words is "forty-three billion, one hundred twenty-four million, four hundred twenty-one thousand, thirty-one".