13016431 has 2 divisors, whose sum is σ = 13016432. Its totient is φ = 13016430.

The previous prime is 13016371. The next prime is 13016449. The reversal of 13016431 is 13461031.

13016431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (13461031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13016431 - 2¹³ = 13008239 is a prime.

It is a super-2 number, since 2×13016431² = 338854951955522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13016399 and 13016408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13016231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6508215 + 6508216.

It is an arithmetic number, because the mean of its divisors is an integer number (6508216).

Almost surely, 2^13016431 is an apocalyptic number.

13016431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13016431 is an equidigital number, since it uses as much as digits as its factorization.

13016431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 13016431 is about 3607.8291256655. The cubic root of 13016431 is about 235.2324906042.

Adding to 13016431 its reverse (13461031), we get a palindrome (26477462).

It can be divided in two parts, 130 and 16431, that added together give a palindrome (16561).

The spelling of 13016431 in words is "thirteen million, sixteen thousand, four hundred thirty-one".