431221224231404 has 48 divisors (see below), whose sum is σ = 794597942140800. Its totient is φ = 204200193079296.

The previous prime is 431221224231389. The next prime is 431221224231419. The reversal of 431221224231404 is 404132422122134.

It is an interprime number because it is at equal distance from previous prime (431221224231389) and next prime (431221224231419).

It is a super-2 number, since 2×431221224231404² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4738180652 + ... + 4738271660.

It is an arithmetic number, because the mean of its divisors is an integer number (16554123794600).

Almost surely, 2^{431221224231404} is an apocalyptic number.

It is an amenable number.

431221224231404 is a deficient number, since it is larger than the sum of its proper divisors (363376717909396).

431221224231404 is a wasteful number, since it uses less digits than its factorization.

431221224231404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109422 (or 109420 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 431221224231404 its reverse (404132422122134), we get a palindrome (835353646353538).

The spelling of 431221224231404 in words is "four hundred thirty-one trillion, two hundred twenty-one billion, two hundred twenty-four million, two hundred thirty-one thousand, four hundred four".