12431322431032 has 16 divisors (see below), whose sum is σ = 23465163987000. Its totient is φ = 6173945367840.

The previous prime is 12431322431027. The next prime is 12431322431041. The reversal of 12431322431032 is 23013422313421.

It is a junction number, because it is equal to n+sod(n) for n = 12431322430985 and 12431322431003.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5214479694 + ... + 5214482077.

Almost surely, 2^{12431322431032} is an apocalyptic number.

It is an amenable number.

12431322431032 is a deficient number, since it is larger than the sum of its proper divisors (11033841555968).

12431322431032 is a wasteful number, since it uses less digits than its factorization.

12431322431032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10428961926 (or 10428961922 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 12431322431032 its reverse (23013422313421), we get a palindrome (35444744744453).

The spelling of 12431322431032 in words is "twelve trillion, four hundred thirty-one billion, three hundred twenty-two million, four hundred thirty-one thousand, thirty-two".