113205530 has 8 divisors (see below), whose sum is σ = 203769972. Its totient is φ = 45282208.

The previous prime is 113205523. The next prime is 113205557. The reversal of 113205530 is 35502311.

It can be written as a sum of positive squares in 2 ways, for example, as 97752769 + 15452761 = 9887^2 + 3931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5660267 + ... + 5660286.

Almost surely, 2^113205530 is an apocalyptic number.

113205530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113205530 is a deficient number, since it is larger than the sum of its proper divisors (90564442).

113205530 is a wasteful number, since it uses less digits than its factorization.

113205530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320560.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 113205530 is about 10639.8087388825. The cubic root of 113205530 is about 483.7517481303.

Adding to 113205530 its reverse (35502311), we get a palindrome (148707841).

The spelling of 113205530 in words is "one hundred thirteen million, two hundred five thousand, five hundred thirty".