30418141 has 6 divisors (see below), whose sum is σ = 32938170. Its totient is φ = 28078128.

The previous prime is 30418139. The next prime is 30418147. The reversal of 30418141 is 14181403.

It can be written as a sum of positive squares in 3 ways, for example, as 2916 + 30415225 = 54^2 + 5515^2 .

It is not a de Polignac number, because 30418141 - 2¹ = 30418139 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 (30418147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89826 + ... + 90163.

It is an arithmetic number, because the mean of its divisors is an integer number (5489695).

Almost surely, 2^30418141 is an apocalyptic number.

It is an amenable number.

30418141 is a deficient number, since it is larger than the sum of its proper divisors (2520029).

30418141 is a wasteful number, since it uses less digits than its factorization.

30418141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180015 (or 180002 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 30418141 is about 5515.2643635641. The cubic root of 30418141 is about 312.1602186362.

Adding to 30418141 its reverse (14181403), we get a palindrome (44599544).

The spelling of 30418141 in words is "thirty million, four hundred eighteen thousand, one hundred forty-one".