203011300321241 has 2 divisors, whose sum is σ = 203011300321242. Its totient is φ = 203011300321240.

The previous prime is 203011300321187. The next prime is 203011300321243. The reversal of 203011300321241 is 142123003110302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203004677616841 + 6622704400 = 14247971^2 + 81380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203011300321241 is a prime.

It is a super-2 number, since 2×203011300321241² (a number of 29 digits) contains 22 as substring.

Together with 203011300321243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (203011300321243) 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 as a sum of consecutive naturals, namely, 101505650160620 + 101505650160621.

It is an arithmetic number, because the mean of its divisors is an integer number (101505650160621).

Almost surely, 2^{203011300321241} is an apocalyptic number.

It is an amenable number.

203011300321241 is a deficient number, since it is larger than the sum of its proper divisors (1).

203011300321241 is an equidigital number, since it uses as much as digits as its factorization.

203011300321241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 203011300321241 its reverse (142123003110302), we get a palindrome (345134303431543).

The spelling of 203011300321241 in words is "two hundred three trillion, eleven billion, three hundred million, three hundred twenty-one thousand, two hundred forty-one".