113513103 has 32 divisors (see below), whose sum is σ = 189388800. Its totient is φ = 66571200.

The previous prime is 113513093. The next prime is 113513123. The reversal of 113513103 is 301315311.

113513103 is a `hidden beast` number, since 1 + 1 + 351 + 310 + 3 = 666.

It is not a de Polignac number, because 113513103 - 2¹⁶ = 113447567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113513123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3043 + ... + 15371.

It is an arithmetic number, because the mean of its divisors is an integer number (5918400).

Almost surely, 2^113513103 is an apocalyptic number.

113513103 is a deficient number, since it is larger than the sum of its proper divisors (75875697).

113513103 is a wasteful number, since it uses less digits than its factorization.

113513103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12380 (or 12374 counting only the distinct ones).

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

The square root of 113513103 is about 10654.2528128443. The cubic root of 113513103 is about 484.1894606373.

Adding to 113513103 its reverse (301315311), we get a palindrome (414828414).

The spelling of 113513103 in words is "one hundred thirteen million, five hundred thirteen thousand, one hundred three".