113212302 has 64 divisors (see below), whose sum is σ = 272056320. Its totient is φ = 30707424.

The previous prime is 113212291. The next prime is 113212343. The reversal of 113212302 is 203212311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157099 + ... + 157817.

It is an arithmetic number, because the mean of its divisors is an integer number (4250880).

Almost surely, 2^113212302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113212302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136028160).

113212302 is an abundant number, since it is smaller than the sum of its proper divisors (158844018).

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

113212302 is a wasteful number, since it uses less digits than its factorization.

113212302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113212302 is about 10640.1269729266. The cubic root of 113212302 is about 483.7613940122.

Adding to 113212302 its reverse (203212311), we get a palindrome (316424613).

Subtracting 113212302 from its reverse (203212311), we obtain a palindrome (90000009).

The spelling of 113212302 in words is "one hundred thirteen million, two hundred twelve thousand, three hundred two".