13403430431 has 2 divisors, whose sum is σ = 13403430432. Its totient is φ = 13403430430.

The previous prime is 13403430427. The next prime is 13403430457.

It is a happy number.

13403430431 is nontrivially palindromic in base 10.

It is an a-pointer prime, because the next prime (13403430457) can be obtained adding 13403430431 to its sum of digits (26).

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 13403430431 - 2² = 13403430427 is a prime.

It is a super-2 number, since 2×13403430431² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13403430431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13403430731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701715215 + 6701715216.

It is an arithmetic number, because the mean of its divisors is an integer number (6701715216).

Almost surely, 2^13403430431 is an apocalyptic number.

13403430431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13403430431 is an equidigital number, since it uses as much as digits as its factorization.

13403430431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

The spelling of 13403430431 in words is "thirteen billion, four hundred three million, four hundred thirty thousand, four hundred thirty-one".