203140134241 has 4 divisors (see below), whose sum is σ = 221607419184. Its totient is φ = 184672849300.

The previous prime is 203140134233. The next prime is 203140134269. The reversal of 203140134241 is 142431041302.

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 a cyclic number.

It is not a de Polignac number, because 203140134241 - 2³ = 203140134233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203140134341) 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, 9233642455 + ... + 9233642476.

It is an arithmetic number, because the mean of its divisors is an integer number (55401854796).

Almost surely, 2^203140134241 is an apocalyptic number.

It is an amenable number.

203140134241 is a deficient number, since it is larger than the sum of its proper divisors (18467284943).

203140134241 is a wasteful number, since it uses less digits than its factorization.

203140134241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18467284942.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 203140134241 its reverse (142431041302), we get a palindrome (345571175543).

The spelling of 203140134241 in words is "two hundred three billion, one hundred forty million, one hundred thirty-four thousand, two hundred forty-one".