30321112032312 has 32 divisors (see below), whose sum is σ = 75802943435280. Its totient is φ = 10107015563520.

The previous prime is 30321112032311. The next prime is 30321112032347. The reversal of 30321112032312 is 21323021112303.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321112032311) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13175862 + ... + 15305082.

Almost surely, 2^{30321112032312} is an apocalyptic number.

It is an amenable number.

30321112032312 is an abundant number, since it is smaller than the sum of its proper divisors (45481831402968).

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

30321112032312 is a wasteful number, since it uses less digits than its factorization.

30321112032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722583 (or 2722579 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 30321112032312 its reverse (21323021112303), we get a palindrome (51644133144615).

The spelling of 30321112032312 in words is "thirty trillion, three hundred twenty-one billion, one hundred twelve million, thirty-two thousand, three hundred twelve".