30321103312 has 20 divisors (see below), whose sum is σ = 59054720256. Its totient is φ = 15081175520.

The previous prime is 30321103273. The next prime is 30321103313. The reversal of 30321103312 is 21330112303.

It is a self number, because there is not a number n which added to its sum of digits gives 30321103312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321103313) 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 3 ways as a sum of consecutive naturals, for example, 4957858 + ... + 4963969.

Almost surely, 2^30321103312 is an apocalyptic number.

It is an amenable number.

30321103312 is a deficient number, since it is larger than the sum of its proper divisors (28733616944).

30321103312 is a wasteful number, since it uses less digits than its factorization.

30321103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922026 (or 9922020 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30321103312 its reverse (21330112303), we get a palindrome (51651215615).

The spelling of 30321103312 in words is "thirty billion, three hundred twenty-one million, one hundred three thousand, three hundred twelve".