201230231130 has 48 divisors (see below), whose sum is σ = 523220841000. Its totient is φ = 53659113984.

The previous prime is 201230231101. The next prime is 201230231177. The reversal of 201230231130 is 31132032102.

201230231130 is a `hidden beast` number, since 20 + 1 + 2 + 302 + 311 + 30 = 666.

201230231130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 96706694529 + 104523536601 = 310977^2 + 323301^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3825246 + ... + 3877494.

Almost surely, 2^201230231130 is an apocalyptic number.

201230231130 is an abundant number, since it is smaller than the sum of its proper divisors (321990609870).

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

201230231130 is a wasteful number, since it uses less digits than its factorization.

201230231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95055 (or 95052 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201230231130 its reverse (31132032102), we get a palindrome (232362263232).

The spelling of 201230231130 in words is "two hundred one billion, two hundred thirty million, two hundred thirty-one thousand, one hundred thirty".