30131103112 has 64 divisors (see below), whose sum is σ = 61921843200. Its totient is φ = 13631688000.

The previous prime is 30131103109. The next prime is 30131103173. The reversal of 30131103112 is 21130113103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23931939 + ... + 23933197.

It is an arithmetic number, because the mean of its divisors is an integer number (967528800).

Almost surely, 2^30131103112 is an apocalyptic number.

It is an amenable number.

30131103112 is an abundant number, since it is smaller than the sum of its proper divisors (31790740088).

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

30131103112 is a wasteful number, since it uses less digits than its factorization.

30131103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 30131103112 its reverse (21130113103), we get a palindrome (51261216215).

Subtracting from 30131103112 its reverse (21130113103), we obtain a palindrome (9000990009).

The spelling of 30131103112 in words is "thirty billion, one hundred thirty-one million, one hundred three thousand, one hundred twelve".