30111230320 has 40 divisors (see below), whose sum is σ = 70543051920. Its totient is φ = 11952545280.

The previous prime is 30111230299. The next prime is 30111230327. The reversal of 30111230320 is 2303211103.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 30111230294 and 30111230303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111230327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1426125 + ... + 1447084.

It is an arithmetic number, because the mean of its divisors is an integer number (1763576298).

Almost surely, 2^30111230320 is an apocalyptic number.

It is an amenable number.

30111230320 is an abundant number, since it is smaller than the sum of its proper divisors (40431821600).

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

30111230320 is a wasteful number, since it uses less digits than its factorization.

30111230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873353 (or 2873347 counting only the distinct ones).

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

Adding to 30111230320 its reverse (2303211103), we get a palindrome (32414441423).

The spelling of 30111230320 in words is "thirty billion, one hundred eleven million, two hundred thirty thousand, three hundred twenty".