13431204047 has 2 divisors, whose sum is σ = 13431204048. Its totient is φ = 13431204046.

The previous prime is 13431204029. The next prime is 13431204089. The reversal of 13431204047 is 74040213431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13431204047 - 2³² = 9136236751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13431204247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715602023 + 6715602024.

It is an arithmetic number, because the mean of its divisors is an integer number (6715602024).

Almost surely, 2^13431204047 is an apocalyptic number.

13431204047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13431204047 is an equidigital number, since it uses as much as digits as its factorization.

13431204047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 13431204047 its reverse (74040213431), we get a palindrome (87471417478).

The spelling of 13431204047 in words is "thirteen billion, four hundred thirty-one million, two hundred four thousand, forty-seven".