12431322431003 has 4 divisors (see below), whose sum is σ = 14207225635440. Its totient is φ = 10655419226568.

The previous prime is 12431322430973. The next prime is 12431322431009. The reversal of 12431322431003 is 30013422313421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12431322431003 - 2¹⁶ = 12431322365467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12431322431009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887951602208 + ... + 887951602221.

It is an arithmetic number, because the mean of its divisors is an integer number (3551806408860).

Almost surely, 2^{12431322431003} is an apocalyptic number.

12431322431003 is a deficient number, since it is larger than the sum of its proper divisors (1775903204437).

12431322431003 is an equidigital number, since it uses as much as digits as its factorization.

12431322431003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775903204436.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 12431322431003 its reverse (30013422313421), we get a palindrome (42444744744424).

The spelling of 12431322431003 in words is "twelve trillion, four hundred thirty-one billion, three hundred twenty-two million, four hundred thirty-one thousand, three".