30323231320 has 32 divisors (see below), whose sum is σ = 69514582320. Its totient is φ = 11900437120.

The previous prime is 30323231299. The next prime is 30323231321. The reversal of 30323231320 is 2313232303.

It is a junction number, because it is equal to n+sod(n) for n = 30323231291 and 30323231300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30323231321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7149586 + ... + 7153825.

Almost surely, 2^30323231320 is an apocalyptic number.

It is an amenable number.

30323231320 is an abundant number, since it is smaller than the sum of its proper divisors (39191351000).

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

30323231320 is a wasteful number, since it uses less digits than its factorization.

30323231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14303475 (or 14303471 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 30323231320 its reverse (2313232303), we get a palindrome (32636463623).

The spelling of 30323231320 in words is "thirty billion, three hundred twenty-three million, two hundred thirty-one thousand, three hundred twenty".