30646323321 has 16 divisors (see below), whose sum is σ = 41114988288. Its totient is φ = 20304502400.

The previous prime is 30646323319. The next prime is 30646323329. The reversal of 30646323321 is 12332364603.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30646323321 - 2¹ = 30646323319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30646323329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509941 + ... + 566861.

It is an arithmetic number, because the mean of its divisors is an integer number (2569686768).

Almost surely, 2^30646323321 is an apocalyptic number.

It is an amenable number.

30646323321 is a deficient number, since it is larger than the sum of its proper divisors (10468664967).

30646323321 is a wasteful number, since it uses less digits than its factorization.

30646323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58032.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 30646323321 its reverse (12332364603), we get a palindrome (42978687924).

The spelling of 30646323321 in words is "thirty billion, six hundred forty-six million, three hundred twenty-three thousand, three hundred twenty-one".