113503311 has 6 divisors (see below), whose sum is σ = 163949240. Its totient is φ = 75668868.

The previous prime is 113503301. The next prime is 113503319. The reversal of 113503311 is 113305311.

113503311 is a `hidden beast` number, since 1 + 1 + 350 + 3 + 311 = 666.

It is not a de Polignac number, because 113503311 - 2⁹ = 113502799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113503319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6305731 + ... + 6305748.

Almost surely, 2^113503311 is an apocalyptic number.

113503311 is a deficient number, since it is larger than the sum of its proper divisors (50445929).

113503311 is a wasteful number, since it uses less digits than its factorization.

113503311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12611485 (or 12611482 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 113503311 is about 10653.7932681276. The cubic root of 113503311 is about 484.1755376645.

Adding to 113503311 its reverse (113305311), we get a palindrome (226808622).

The spelling of 113503311 in words is "one hundred thirteen million, five hundred three thousand, three hundred eleven".