12403431002441 has 4 divisors (see below), whose sum is σ = 12403440206532. Its totient is φ = 12403421798352.

The previous prime is 12403431002401. The next prime is 12403431002467. The reversal of 12403431002441 is 14420013430421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8654157822025 + 3749273180416 = 2941795^2 + 1936304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12403431002441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12403431002401) 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, 2142470 + ... + 5421903.

It is an arithmetic number, because the mean of its divisors is an integer number (3100860051633).

Almost surely, 2^{12403431002441} is an apocalyptic number.

It is an amenable number.

12403431002441 is a deficient number, since it is larger than the sum of its proper divisors (9204091).

12403431002441 is an equidigital number, since it uses as much as digits as its factorization.

12403431002441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204090.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12403431002441 its reverse (14420013430421), we get a palindrome (26823444432862).

The spelling of 12403431002441 in words is "twelve trillion, four hundred three billion, four hundred thirty-one million, two thousand, four hundred forty-one".