113505311 has 8 divisors (see below), whose sum is σ = 120306384. Its totient is φ = 106718080.

The previous prime is 113505289. The next prime is 113505317.

113505311 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113505311 - 2⁶ = 113505247 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 (113505317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16901 + ... + 22641.

It is an arithmetic number, because the mean of its divisors is an integer number (15038298).

Almost surely, 2^113505311 is an apocalyptic number.

113505311 is a deficient number, since it is larger than the sum of its proper divisors (6801073).

113505311 is a wasteful number, since it uses less digits than its factorization.

113505311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6921.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 113505311 is about 10653.8871309959. The cubic root of 113505311 is about 484.1783814741.

It can be divided in two parts, 11350 and 5311, that added together give a palindrome (16661).

The spelling of 113505311 in words is "one hundred thirteen million, five hundred five thousand, three hundred eleven".