30111150 has 48 divisors (see below), whose sum is σ = 75138048. Its totient is φ = 7980000.

The previous prime is 30111149. The next prime is 30111167. The reversal of 30111150 is 5111103.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28125 + ... + 29175.

It is an arithmetic number, because the mean of its divisors is an integer number (1565376).

Almost surely, 2^30111150 is an apocalyptic number.

30111150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30111150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37569024).

30111150 is an abundant number, since it is smaller than the sum of its proper divisors (45026898).

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

30111150 is a wasteful number, since it uses less digits than its factorization.

30111150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 12.

The square root of 30111150 is about 5487.3627545479. The cubic root of 30111150 is about 311.1065208601.

Adding to 30111150 its reverse (5111103), we get a palindrome (35222253).

The spelling of 30111150 in words is "thirty million, one hundred eleven thousand, one hundred fifty".