113130320 has 20 divisors (see below), whose sum is σ = 263028180. Its totient is φ = 45252096.

The previous prime is 113130299. The next prime is 113130323. The reversal of 113130320 is 23031311.

It can be written as a sum of positive squares in 2 ways, for example, as 64577296 + 48553024 = 8036^2 + 6968^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 113130295 and 113130304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113130323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706985 + ... + 707144.

It is an arithmetic number, because the mean of its divisors is an integer number (13151409).

Almost surely, 2^113130320 is an apocalyptic number.

113130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113130320 is an abundant number, since it is smaller than the sum of its proper divisors (149897860).

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

113130320 is a wasteful number, since it uses less digits than its factorization.

113130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414142 (or 1414136 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 113130320 is about 10636.2737836143. The cubic root of 113130320 is about 483.6445948573.

Adding to 113130320 its reverse (23031311), we get a palindrome (136161631).

Subtracting from 113130320 its reverse (23031311), we obtain a palindrome (90099009).

The spelling of 113130320 in words is "one hundred thirteen million, one hundred thirty thousand, three hundred twenty".