1431321304323 has 48 divisors (see below), whose sum is σ = 1968529125024. Its totient is φ = 925037245440.

The previous prime is 1431321304321. The next prime is 1431321304327. The reversal of 1431321304323 is 3234031231341.

It is not a de Polignac number, because 1431321304323 - 2¹ = 1431321304321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1431321304321) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 845434065 + ... + 845435757.

It is an arithmetic number, because the mean of its divisors is an integer number (41011023438).

Almost surely, 2^{1431321304323} is an apocalyptic number.

1431321304323 is a deficient number, since it is larger than the sum of its proper divisors (537207820701).

1431321304323 is a wasteful number, since it uses less digits than its factorization.

1431321304323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 1431321304323 its reverse (3234031231341), we get a palindrome (4665352535664).

The spelling of 1431321304323 in words is "one trillion, four hundred thirty-one billion, three hundred twenty-one million, three hundred four thousand, three hundred twenty-three".