201331230330 has 32 divisors (see below), whose sum is σ = 483236829504. Its totient is φ = 53683675136.

The previous prime is 201331230323. The next prime is 201331230413. The reversal of 201331230330 is 33032133102.

201331230330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201331230297 and 201331230306.

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 15 ways as a sum of consecutive naturals, for example, 68389 + ... + 638231.

It is an arithmetic number, because the mean of its divisors is an integer number (15101150922).

Almost surely, 2^201331230330 is an apocalyptic number.

201331230330 is an abundant number, since it is smaller than the sum of its proper divisors (281905599174).

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

201331230330 is a wasteful number, since it uses less digits than its factorization.

201331230330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581630.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 201331230330 its reverse (33032133102), we get a palindrome (234363363432).

The spelling of 201331230330 in words is "two hundred one billion, three hundred thirty-one million, two hundred thirty thousand, three hundred thirty".