201321042330 has 64 divisors (see below), whose sum is σ = 484105305600. Its totient is φ = 53581849920.

The previous prime is 201321042319. The next prime is 201321042343. The reversal of 201321042330 is 33240123102.

It is a junction number, because it is equal to n+sod(n) for n = 201321042297 and 201321042306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61772241 + ... + 61775499.

It is an arithmetic number, because the mean of its divisors is an integer number (7564145400).

Almost surely, 2^201321042330 is an apocalyptic number.

201321042330 is an abundant number, since it is smaller than the sum of its proper divisors (282784263270).

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

201321042330 is a wasteful number, since it uses less digits than its factorization.

201321042330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 201321042330 its reverse (33240123102), we get a palindrome (234561165432).

The spelling of 201321042330 in words is "two hundred one billion, three hundred twenty-one million, forty-two thousand, three hundred thirty".