30331012120 has 32 divisors (see below), whose sum is σ = 68679471600. Its totient is φ = 12055125888.

The previous prime is 30331012097. The next prime is 30331012133. The reversal of 30331012120 is 2121013303.

It is a junction number, because it is equal to n+sod(n) for n = 30331012094 and 30331012103.

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, 2408610 + ... + 2421169.

Almost surely, 2^30331012120 is an apocalyptic number.

It is an amenable number.

30331012120 is an abundant number, since it is smaller than the sum of its proper divisors (38348459480).

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

30331012120 is a wasteful number, since it uses less digits than its factorization.

30331012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829947 (or 4829943 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30331012120 its reverse (2121013303), we get a palindrome (32452025423).

The spelling of 30331012120 in words is "thirty billion, three hundred thirty-one million, twelve thousand, one hundred twenty".