30112141 has 4 divisors (see below), whose sum is σ = 30137500. Its totient is φ = 30086784.

The previous prime is 30112139. The next prime is 30112157. The reversal of 30112141 is 14121103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15634116 + 14478025 = 3954^2 + 3805^2 .

It is a cyclic number.

It is not a de Polignac number, because 30112141 - 2¹ = 30112139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10806 + ... + 13303.

It is an arithmetic number, because the mean of its divisors is an integer number (7534375).

Almost surely, 2^30112141 is an apocalyptic number.

It is an amenable number.

30112141 is a deficient number, since it is larger than the sum of its proper divisors (25359).

30112141 is a wasteful number, since it uses less digits than its factorization.

30112141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25358.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 30112141 is about 5487.4530521910. The cubic root of 30112141 is about 311.1099338060.

Adding to 30112141 its reverse (14121103), we get a palindrome (44233244).

The spelling of 30112141 in words is "thirty million, one hundred twelve thousand, one hundred forty-one".