113213312 has 32 divisors (see below), whose sum is σ = 226083000. Its totient is φ = 56471040.

The previous prime is 113213279. The next prime is 113213323. The reversal of 113213312 is 213312311.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×113213312³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 72314 + ... + 73862.

Almost surely, 2^113213312 is an apocalyptic number.

It is an amenable number.

113213312 is a deficient number, since it is larger than the sum of its proper divisors (112869688).

113213312 is an equidigital number, since it uses as much as digits as its factorization.

113213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134 (or 2122 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 113213312 is about 10640.1744346604. The cubic root of 113213312 is about 483.7628326001.

Adding to 113213312 its reverse (213312311), we get a palindrome (326525623).

The spelling of 113213312 in words is "one hundred thirteen million, two hundred thirteen thousand, three hundred twelve".