113240320 has 36 divisors (see below), whose sum is σ = 271249020. Its totient is φ = 45295616.

The previous prime is 113240311. The next prime is 113240333. The reversal of 113240320 is 23042311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78004224 + 35236096 = 8832^2 + 5936^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 113240294 and 113240303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42955 + ... + 45514.

It is an arithmetic number, because the mean of its divisors is an integer number (7534695).

Almost surely, 2^113240320 is an apocalyptic number.

113240320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113240320 is an abundant number, since it is smaller than the sum of its proper divisors (158008700).

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

113240320 is an frugal number, since it uses more digits than its factorization.

113240320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88490 (or 88476 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 113240320 is about 10641.4435111032. The cubic root of 113240320 is about 483.8012981231.

Adding to 113240320 its reverse (23042311), we get a palindrome (136282631).

The spelling of 113240320 in words is "one hundred thirteen million, two hundred forty thousand, three hundred twenty".