203430141 has 6 divisors (see below), whose sum is σ = 293843550. Its totient is φ = 135620088.

The previous prime is 203430137. The next prime is 203430163. The reversal of 203430141 is 141034302.

It can be written as a sum of positive squares in only one way, i.e., 147987225 + 55442916 = 12165^2 + 7446^2 .

It is not a de Polignac number, because 203430141 - 2² = 203430137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203430191) 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, 11301666 + ... + 11301683.

It is an arithmetic number, because the mean of its divisors is an integer number (48973925).

Almost surely, 2^203430141 is an apocalyptic number.

It is an amenable number.

203430141 is a deficient number, since it is larger than the sum of its proper divisors (90413409).

203430141 is a wasteful number, since it uses less digits than its factorization.

203430141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22603355 (or 22603352 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 203430141 is about 14262.8938508284. The cubic root of 203430141 is about 588.1278789617.

Adding to 203430141 its reverse (141034302), we get a palindrome (344464443).

The spelling of 203430141 in words is "two hundred three million, four hundred thirty thousand, one hundred forty-one".