43424112431 has 16 divisors (see below), whose sum is σ = 49783818240. Its totient is φ = 37103619840.

The previous prime is 43424112409. The next prime is 43424112437. The reversal of 43424112431 is 13421142434.

It is not a de Polignac number, because 43424112431 - 2³⁴ = 26244243247 is a prime.

It is a super-2 number, since 2×43424112431² (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 = 43424112394 and 43424112403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43424112437) 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, 4118975 + ... + 4129503.

It is an arithmetic number, because the mean of its divisors is an integer number (3111488640).

Almost surely, 2^43424112431 is an apocalyptic number.

43424112431 is a deficient number, since it is larger than the sum of its proper divisors (6359705809).

43424112431 is a wasteful number, since it uses less digits than its factorization.

43424112431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12334.

The product of its digits is 9216, while the sum is 29.

Adding to 43424112431 its reverse (13421142434), we get a palindrome (56845254865).

The spelling of 43424112431 in words is "forty-three billion, four hundred twenty-four million, one hundred twelve thousand, four hundred thirty-one".