30321103112312 has 8 divisors (see below), whose sum is σ = 56852068335600. Its totient is φ = 15160551556152.

The previous prime is 30321103112297. The next prime is 30321103112317. The reversal of 30321103112312 is 21321130112303.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321103112317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1895068944512 + ... + 1895068944527.

It is an arithmetic number, because the mean of its divisors is an integer number (7106508541950).

Almost surely, 2^{30321103112312} is an apocalyptic number.

It is an amenable number.

30321103112312 is a deficient number, since it is larger than the sum of its proper divisors (26530965223288).

30321103112312 is a wasteful number, since it uses less digits than its factorization.

30321103112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790137889045 (or 3790137889041 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 30321103112312 its reverse (21321130112303), we get a palindrome (51642233224615).

The spelling of 30321103112312 in words is "thirty trillion, three hundred twenty-one billion, one hundred three million, one hundred twelve thousand, three hundred twelve".