201130330 has 16 divisors (see below), whose sum is σ = 366995304. Its totient is φ = 79349760.

The previous prime is 201130327. The next prime is 201130337. The reversal of 201130330 is 33031102.

It can be written as a sum of positive squares in 4 ways, for example, as 187060329 + 14070001 = 13677^2 + 3751^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201130330.

It is not an unprimeable number, because it can be changed into a prime (201130337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137031 + ... + 138490.

Almost surely, 2^201130330 is an apocalyptic number.

201130330 is a deficient number, since it is larger than the sum of its proper divisors (165864974).

201130330 is a wasteful number, since it uses less digits than its factorization.

201130330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275601.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 201130330 is about 14182.0425186219. The cubic root of 201130330 is about 585.9031803140.

Adding to 201130330 its reverse (33031102), we get a palindrome (234161432).

The spelling of 201130330 in words is "two hundred one million, one hundred thirty thousand, three hundred thirty".