201630250306 has 8 divisors (see below), whose sum is σ = 315595174464. Its totient is φ = 96431858820.

The previous prime is 201630250267. The next prime is 201630250397. The reversal of 201630250306 is 603052036102.

201630250306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 3 ways as a sum of consecutive naturals, for example, 2191633110 + ... + 2191633201.

It is an arithmetic number, because the mean of its divisors is an integer number (39449396808).

Almost surely, 2^201630250306 is an apocalyptic number.

201630250306 is a deficient number, since it is larger than the sum of its proper divisors (113964924158).

201630250306 is a wasteful number, since it uses less digits than its factorization.

201630250306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383266336.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 201630250306 its reverse (603052036102), we get a palindrome (804682286408).

The spelling of 201630250306 in words is "two hundred one billion, six hundred thirty million, two hundred fifty thousand, three hundred six".