30312343321 has 16 divisors (see below), whose sum is σ = 33246136000. Its totient is φ = 27466413120.

The previous prime is 30312343319. The next prime is 30312343339. The reversal of 30312343321 is 12334321303.

It is a cyclic number.

It is not a de Polignac number, because 30312343321 - 2¹ = 30312343319 is a prime.

It is a super-2 number, since 2×30312343321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30312343361) 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, 357406 + ... + 434008.

It is an arithmetic number, because the mean of its divisors is an integer number (2077883500).

Almost surely, 2^30312343321 is an apocalyptic number.

It is an amenable number.

30312343321 is a deficient number, since it is larger than the sum of its proper divisors (2933792679).

30312343321 is a wasteful number, since it uses less digits than its factorization.

30312343321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77176.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30312343321 its reverse (12334321303), we get a palindrome (42646664624).

The spelling of 30312343321 in words is "thirty billion, three hundred twelve million, three hundred forty-three thousand, three hundred twenty-one".