113215338 has 96 divisors (see below), whose sum is σ = 277430400. Its totient is φ = 33187968.

The previous prime is 113215337. The next prime is 113215351. The reversal of 113215338 is 833512311.

113215338 is a `hidden beast` number, since 1 + 1 + 321 + 5 + 338 = 666.

It is not an unprimeable number, because it can be changed into a prime (113215331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290848 + ... + 291236.

It is an arithmetic number, because the mean of its divisors is an integer number (2889900).

Almost surely, 2^113215338 is an apocalyptic number.

113215338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113215338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138715200).

113215338 is an abundant number, since it is smaller than the sum of its proper divisors (164215062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113215338 is a wasteful number, since it uses less digits than its factorization.

113215338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 473 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 113215338 is about 10640.2696394405. The cubic root of 113215338 is about 483.7657182962.

Adding to 113215338 its reverse (833512311), we get a palindrome (946727649).

The spelling of 113215338 in words is "one hundred thirteen million, two hundred fifteen thousand, three hundred thirty-eight".