203531053241 has 2 divisors, whose sum is σ = 203531053242. Its totient is φ = 203531053240.

The previous prime is 203531053211. The next prime is 203531053259. The reversal of 203531053241 is 142350135302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143189587216 + 60341466025 = 378404^2 + 245645^2 .

It is a cyclic number.

It is not a de Polignac number, because 203531053241 - 2¹⁸ = 203530791097 is a prime.

It is not a weakly prime, because it can be changed into another prime (203531053211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101765526620 + 101765526621.

It is an arithmetic number, because the mean of its divisors is an integer number (101765526621).

Almost surely, 2^203531053241 is an apocalyptic number.

It is an amenable number.

203531053241 is a deficient number, since it is larger than the sum of its proper divisors (1).

203531053241 is an equidigital number, since it uses as much as digits as its factorization.

203531053241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 203531053241 its reverse (142350135302), we get a palindrome (345881188543).

The spelling of 203531053241 in words is "two hundred three billion, five hundred thirty-one million, fifty-three thousand, two hundred forty-one".