30323312120 has 32 divisors (see below), whose sum is σ = 68235793200. Its totient is φ = 12127842048.

The previous prime is 30323312119. The next prime is 30323312161. The reversal of 30323312120 is 2121332303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30323312092 and 30323312101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320876 + ... + 404484.

Almost surely, 2^30323312120 is an apocalyptic number.

It is an amenable number.

30323312120 is an abundant number, since it is smaller than the sum of its proper divisors (37912481080).

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

30323312120 is a wasteful number, since it uses less digits than its factorization.

30323312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92687 (or 92683 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30323312120 its reverse (2121332303), we get a palindrome (32444644423).

The spelling of 30323312120 in words is "thirty billion, three hundred twenty-three million, three hundred twelve thousand, one hundred twenty".