30313222221 has 8 divisors (see below), whose sum is σ = 40418877184. Its totient is φ = 20208191040.

The previous prime is 30313222207. The next prime is 30313222237. The reversal of 30313222221 is 12222231303.

It is a happy number.

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

It is not a de Polignac number, because 30313222221 - 2⁶ = 30313222157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313222241) 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 7 ways as a sum of consecutive naturals, for example, 27421 + ... + 247746.

It is an arithmetic number, because the mean of its divisors is an integer number (5052359648).

Almost surely, 2^30313222221 is an apocalyptic number.

It is an amenable number.

30313222221 is a deficient number, since it is larger than the sum of its proper divisors (10105654963).

30313222221 is a wasteful number, since it uses less digits than its factorization.

30313222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311891.

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

Adding to 30313222221 its reverse (12222231303), we get a palindrome (42535453524).

The spelling of 30313222221 in words is "thirty billion, three hundred thirteen million, two hundred twenty-two thousand, two hundred twenty-one".