113217215 has 8 divisors (see below), whose sum is σ = 135943920. Its totient is φ = 90518272.

The previous prime is 113217199. The next prime is 113217217. The reversal of 113217215 is 512712311.

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 113217215 - 2⁴ = 113217199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113217217) 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, 3452 + ... + 15438.

It is an arithmetic number, because the mean of its divisors is an integer number (16992990).

Almost surely, 2^113217215 is an apocalyptic number.

113217215 is a deficient number, since it is larger than the sum of its proper divisors (22726705).

113217215 is a wasteful number, since it uses less digits than its factorization.

113217215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13881.

The product of its digits is 420, while the sum is 23.

The square root of 113217215 is about 10640.3578417269. The cubic root of 113217215 is about 483.7683917362.

Adding to 113217215 its reverse (512712311), we get a palindrome (625929526).

The spelling of 113217215 in words is "one hundred thirteen million, two hundred seventeen thousand, two hundred fifteen".