13431107 has 4 divisors (see below), whose sum is σ = 13498800. Its totient is φ = 13363416.

The previous prime is 13431059. The next prime is 13431109. The reversal of 13431107 is 70113431.

It is a happy number.

13431107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13431107 - 2¹⁶ = 13365571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13431109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33548 + ... + 33945.

It is an arithmetic number, because the mean of its divisors is an integer number (3374700).

Almost surely, 2^13431107 is an apocalyptic number.

13431107 is a deficient number, since it is larger than the sum of its proper divisors (67693).

13431107 is an equidigital number, since it uses as much as digits as its factorization.

13431107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67692.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 13431107 is about 3664.8474729516. The cubic root of 13431107 is about 237.7044267604.

Adding to 13431107 its reverse (70113431), we get a palindrome (83544538).

The spelling of 13431107 in words is "thirteen million, four hundred thirty-one thousand, one hundred seven".