13343431 has 2 divisors, whose sum is σ = 13343432. Its totient is φ = 13343430.

The previous prime is 13343387. The next prime is 13343443. The reversal of 13343431 is 13434331.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13434331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13343431 - 2⁷ = 13343303 is a prime.

It is a super-2 number, since 2×13343431² = 356094301703522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13343531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6671715 + 6671716.

It is an arithmetic number, because the mean of its divisors is an integer number (6671716).

Almost surely, 2^13343431 is an apocalyptic number.

13343431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13343431 is an equidigital number, since it uses as much as digits as its factorization.

13343431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 22.

The square root of 13343431 is about 3652.8661349685. The cubic root of 13343431 is about 237.1860657327.

Adding to 13343431 its reverse (13434331), we get a palindrome (26777762).

The spelling of 13343431 in words is "thirteen million, three hundred forty-three thousand, four hundred thirty-one".