113103405 has 32 divisors (see below), whose sum is σ = 201801600. Its totient is φ = 60103296.

The previous prime is 113103391. The next prime is 113103427. The reversal of 113103405 is 504301311.

113103405 is a `hidden beast` number, since 11 + 310 + 340 + 5 = 666.

It is not a de Polignac number, because 113103405 - 2⁹ = 113102893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40081 + ... + 42809.

It is an arithmetic number, because the mean of its divisors is an integer number (6306300).

Almost surely, 2^113103405 is an apocalyptic number.

113103405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113103405 is a deficient number, since it is larger than the sum of its proper divisors (88698195).

113103405 is a wasteful number, since it uses less digits than its factorization.

113103405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 113103405 is about 10635.0084626200. The cubic root of 113103405 is about 483.6062369508.

Subtracting from 113103405 its product of nonzero digits (180), we obtain a square (113103225 = 10635²).

Adding to 113103405 its reverse (504301311), we get a palindrome (617404716).

The spelling of 113103405 in words is "one hundred thirteen million, one hundred three thousand, four hundred five".