30031123110 has 32 divisors (see below), whose sum is σ = 72552022272. Its totient is φ = 7955263200.

The previous prime is 30031123091. The next prime is 30031123141. The reversal of 30031123110 is 1132113003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30031123110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3310164 + ... + 3319223.

It is an arithmetic number, because the mean of its divisors is an integer number (2267250696).

Almost surely, 2^30031123110 is an apocalyptic number.

30031123110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30031123110 is an abundant number, since it is smaller than the sum of its proper divisors (42520899162).

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

30031123110 is a wasteful number, since it uses less digits than its factorization.

30031123110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629548.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30031123110 its reverse (1132113003), we get a palindrome (31163236113).

The spelling of 30031123110 in words is "thirty billion, thirty-one million, one hundred twenty-three thousand, one hundred ten".