203431034241 has 24 divisors (see below), whose sum is σ = 309703573920. Its totient is φ = 128319417216.

The previous prime is 203431034227. The next prime is 203431034249. The reversal of 203431034241 is 142430134302.

203431034241 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 310 + 342 + 4 + 1 = 666.

It is not a de Polignac number, because 203431034241 - 2¹⁰ = 203431033217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203431034249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 621240 + ... + 890393.

It is an arithmetic number, because the mean of its divisors is an integer number (12904315580).

Almost surely, 2^203431034241 is an apocalyptic number.

It is an amenable number.

203431034241 is a deficient number, since it is larger than the sum of its proper divisors (106272539679).

203431034241 is a wasteful number, since it uses less digits than its factorization.

203431034241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512445 (or 1512442 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 203431034241 its reverse (142430134302), we get a palindrome (345861168543).

The spelling of 203431034241 in words is "two hundred three billion, four hundred thirty-one million, thirty-four thousand, two hundred forty-one".