30312012224 has 56 divisors (see below), whose sum is σ = 64805539680. Its totient is φ = 13984072704.

The previous prime is 30312012193. The next prime is 30312012251. The reversal of 30312012224 is 42221021303.

It is a junction number, because it is equal to n+sod(n) for n = 30312012196 and 30312012205.

It is a congruent number.

It is an unprimeable number.

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, 2313917 + ... + 2326979.

It is an arithmetic number, because the mean of its divisors is an integer number (1157241780).

Almost surely, 2^30312012224 is an apocalyptic number.

It is an amenable number.

30312012224 is an abundant number, since it is smaller than the sum of its proper divisors (34493527456).

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

30312012224 is a wasteful number, since it uses less digits than its factorization.

30312012224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15877 (or 15867 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30312012224 its reverse (42221021303), we get a palindrome (72533033527).

The spelling of 30312012224 in words is "thirty billion, three hundred twelve million, twelve thousand, two hundred twenty-four".