13134431 has 2 divisors, whose sum is σ = 13134432. Its totient is φ = 13134430.

The previous prime is 13134427. The next prime is 13134439. The reversal of 13134431 is 13443131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13134431 - 2² = 13134427 is a prime.

It is a super-2 number, since 2×13134431² = 345026555387522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13134439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6567215 + 6567216.

It is an arithmetic number, because the mean of its divisors is an integer number (6567216).

Almost surely, 2^13134431 is an apocalyptic number.

13134431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13134431 is an equidigital number, since it uses as much as digits as its factorization.

13134431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 13134431 is about 3624.1455544721. The cubic root of 13134431 is about 235.9411839929.

Adding to 13134431 its reverse (13443131), we get a palindrome (26577562).

The spelling of 13134431 in words is "thirteen million, one hundred thirty-four thousand, four hundred thirty-one".