113113272 has 16 divisors (see below), whose sum is σ = 282783240. Its totient is φ = 37704416.

The previous prime is 113113243. The next prime is 113113279. The reversal of 113113272 is 272311311.

It is a happy number.

It is a super-2 number, since 2×113113272² = 25589224605091968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113113279) 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 3 ways as a sum of consecutive naturals, for example, 2356503 + ... + 2356550.

Almost surely, 2^113113272 is an apocalyptic number.

113113272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113113272 is an abundant number, since it is smaller than the sum of its proper divisors (169669968).

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

113113272 is a wasteful number, since it uses less digits than its factorization.

113113272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713062 (or 4713058 counting only the distinct ones).

The product of its digits is 252, while the sum is 21.

The square root of 113113272 is about 10635.4723449408. The cubic root of 113113272 is about 483.6202996102.

Adding to 113113272 its reverse (272311311), we get a palindrome (385424583).

The spelling of 113113272 in words is "one hundred thirteen million, one hundred thirteen thousand, two hundred seventy-two".