43422304431 has 32 divisors (see below), whose sum is σ = 64060351488. Its totient is φ = 25943408640.

The previous prime is 43422304423. The next prime is 43422304441. The reversal of 43422304431 is 13440322434.

It is a happy number.

43422304431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43422304431 - 2³ = 43422304423 is a prime.

It is a super-2 number, since 2×43422304431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43422304441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 796266 + ... + 849048.

It is an arithmetic number, because the mean of its divisors is an integer number (2001885984).

Almost surely, 2^43422304431 is an apocalyptic number.

43422304431 is a deficient number, since it is larger than the sum of its proper divisors (20638047057).

43422304431 is a wasteful number, since it uses less digits than its factorization.

43422304431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53151.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 43422304431 its reverse (13440322434), we get a palindrome (56862626865).

The spelling of 43422304431 in words is "forty-three billion, four hundred twenty-two million, three hundred four thousand, four hundred thirty-one".