203130141 has 4 divisors (see below), whose sum is σ = 270840192. Its totient is φ = 135420092.

The previous prime is 203130139. The next prime is 203130143. The reversal of 203130141 is 141031302.

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.

It is an interprime number because it is at equal distance from previous prime (203130139) and next prime (203130143).

It is a cyclic number.

It is not a de Polignac number, because 203130141 - 2¹ = 203130139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203130141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203130143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33855021 + ... + 33855026.

It is an arithmetic number, because the mean of its divisors is an integer number (67710048).

Almost surely, 2^203130141 is an apocalyptic number.

It is an amenable number.

203130141 is a deficient number, since it is larger than the sum of its proper divisors (67710051).

203130141 is an equidigital number, since it uses as much as digits as its factorization.

203130141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67710050.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 203130141 is about 14252.3731708091. The cubic root of 203130141 is about 587.8386311547.

Adding to 203130141 its reverse (141031302), we get a palindrome (344161443).

The spelling of 203130141 in words is "two hundred three million, one hundred thirty thousand, one hundred forty-one".