30111021320 has 64 divisors (see below), whose sum is σ = 73133280000. Its totient is φ = 11123461888.

The previous prime is 30111021313. The next prime is 30111021331. The reversal of 30111021320 is 2312011103.

It is a junction number, because it is equal to n+sod(n) for n = 30111021295 and 30111021304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537620 + ... + 590979.

It is an arithmetic number, because the mean of its divisors is an integer number (1142707500).

Almost surely, 2^30111021320 is an apocalyptic number.

It is an amenable number.

30111021320 is an abundant number, since it is smaller than the sum of its proper divisors (43022258680).

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

30111021320 is a wasteful number, since it uses less digits than its factorization.

30111021320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128662 (or 1128658 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30111021320 its reverse (2312011103), we get a palindrome (32423032423).

The spelling of 30111021320 in words is "thirty billion, one hundred eleven million, twenty-one thousand, three hundred twenty".