30242141 has 4 divisors (see below), whose sum is σ = 30265632. Its totient is φ = 30218652.

The previous prime is 30242131. The next prime is 30242189. The reversal of 30242141 is 14124203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14124203 = 67 ⋅210809.

It is a cyclic number.

It is not a de Polignac number, because 30242141 - 2¹⁴ = 30225757 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 (30242131) 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, 9695 + ... + 12428.

It is an arithmetic number, because the mean of its divisors is an integer number (7566408).

Almost surely, 2^30242141 is an apocalyptic number.

It is an amenable number.

30242141 is a deficient number, since it is larger than the sum of its proper divisors (23491).

30242141 is a wasteful number, since it uses less digits than its factorization.

30242141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23490.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 30242141 is about 5499.2854990444. The cubic root of 30242141 is about 311.5569985367.

Adding to 30242141 its reverse (14124203), we get a palindrome (44366344).

The spelling of 30242141 in words is "thirty million, two hundred forty-two thousand, one hundred forty-one".