11431208 has 16 divisors (see below), whose sum is σ = 22694580. Its totient is φ = 5379328.

The previous prime is 11431183. The next prime is 11431223. The reversal of 11431208 is 80213411.

11431208 = 812² + 813² + ... + 828².

11431208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11303044 + 128164 = 3362^2 + 358^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11431208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41891 + ... + 42162.

Almost surely, 2^11431208 is an apocalyptic number.

It is an amenable number.

11431208 is a deficient number, since it is larger than the sum of its proper divisors (11263372).

11431208 is a wasteful number, since it uses less digits than its factorization.

11431208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84076 (or 84072 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 11431208 is about 3381.0069505992. The cubic root of 11431208 is about 225.2668964493.

Adding to 11431208 its reverse (80213411), we get a palindrome (91644619).

The spelling of 11431208 in words is "eleven million, four hundred thirty-one thousand, two hundred eight".