113220530 has 8 divisors (see below), whose sum is σ = 203796972. Its totient is φ = 45288208.

The previous prime is 113220529. The next prime is 113220539. The reversal of 113220530 is 35022311.

It can be written as a sum of positive squares in 2 ways, for example, as 109390681 + 3829849 = 10459^2 + 1957^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 113220499 and 113220508.

It is not an unprimeable number, because it can be changed into a prime (113220539) 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, 5661017 + ... + 5661036.

Almost surely, 2^113220530 is an apocalyptic number.

113220530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113220530 is a deficient number, since it is larger than the sum of its proper divisors (90576442).

113220530 is a wasteful number, since it uses less digits than its factorization.

113220530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11322060.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 113220530 is about 10640.5136154229. The cubic root of 113220530 is about 483.7731132696.

Adding to 113220530 its reverse (35022311), we get a palindrome (148242841).

The spelling of 113220530 in words is "one hundred thirteen million, two hundred twenty thousand, five hundred thirty".