431121324412 has 6 divisors (see below), whose sum is σ = 754462317728. Its totient is φ = 215560662204.

The previous prime is 431121324341. The next prime is 431121324449. The reversal of 431121324412 is 214423121134.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53890165548 + ... + 53890165555.

Almost surely, 2^431121324412 is an apocalyptic number.

It is an amenable number.

431121324412 is a deficient number, since it is larger than the sum of its proper divisors (323340993316).

431121324412 is a wasteful number, since it uses less digits than its factorization.

431121324412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107780331107 (or 107780331105 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 431121324412 its reverse (214423121134), we get a palindrome (645544445546).

The spelling of 431121324412 in words is "four hundred thirty-one billion, one hundred twenty-one million, three hundred twenty-four thousand, four hundred twelve".