203355553241 has 2 divisors, whose sum is σ = 203355553242. Its totient is φ = 203355553240.

The previous prime is 203355553217. The next prime is 203355553309. The reversal of 203355553241 is 142355553302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163507009600 + 39848543641 = 404360^2 + 199621^2 .

It is a cyclic number.

It is not a de Polignac number, because 203355553241 - 2¹⁰ = 203355552217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203355553195 and 203355553204.

It is not a weakly prime, because it can be changed into another prime (203355550241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101677776620 + 101677776621.

It is an arithmetic number, because the mean of its divisors is an integer number (101677776621).

Almost surely, 2^203355553241 is an apocalyptic number.

It is an amenable number.

203355553241 is a deficient number, since it is larger than the sum of its proper divisors (1).

203355553241 is an equidigital number, since it uses as much as digits as its factorization.

203355553241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 203355553241 in words is "two hundred three billion, three hundred fifty-five million, five hundred fifty-three thousand, two hundred forty-one".