4431023404431 has 48 divisors (see below), whose sum is σ = 6830851458816. Its totient is φ = 2547571074048.

The previous prime is 4431023404403. The next prime is 4431023404439. The reversal of 4431023404431 is 1344043201344.

It is not a de Polignac number, because 4431023404431 - 2⁵ = 4431023404399 is a prime.

It is a super-2 number, since 2×4431023404431² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4431023404392 and 4431023404401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431023404439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3917026 + ... + 4919871.

It is an arithmetic number, because the mean of its divisors is an integer number (142309405392).

Almost surely, 2^{4431023404431} is an apocalyptic number.

4431023404431 is a deficient number, since it is larger than the sum of its proper divisors (2399828054385).

4431023404431 is a wasteful number, since it uses less digits than its factorization.

4431023404431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8836992 (or 8836979 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 4431023404431 its reverse (1344043201344), we get a palindrome (5775066605775).

The spelling of 4431023404431 in words is "four trillion, four hundred thirty-one billion, twenty-three million, four hundred four thousand, four hundred thirty-one".