43432314431 has 32 divisors (see below), whose sum is σ = 51085541376. Its totient is φ = 36513180000.

The previous prime is 43432314421. The next prime is 43432314479. The reversal of 43432314431 is 13441323434.

It is not a de Polignac number, because 43432314431 - 2²⁶ = 43365205567 is a prime.

It is a super-2 number, since 2×43432314431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43432314421) 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 31 ways as a sum of consecutive naturals, for example, 10719356 + ... + 10723406.

It is an arithmetic number, because the mean of its divisors is an integer number (1596423168).

Almost surely, 2^43432314431 is an apocalyptic number.

43432314431 is a deficient number, since it is larger than the sum of its proper divisors (7653226945).

43432314431 is a wasteful number, since it uses less digits than its factorization.

43432314431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483.

The product of its digits is 41472, while the sum is 32.

Adding to 43432314431 its reverse (13441323434), we get a palindrome (56873637865).

The spelling of 43432314431 in words is "forty-three billion, four hundred thirty-two million, three hundred fourteen thousand, four hundred thirty-one".