203001312011 has 2 divisors, whose sum is σ = 203001312012. Its totient is φ = 203001312010.

The previous prime is 203001311993. The next prime is 203001312013. The reversal of 203001312011 is 110213100302.

203001312011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203001312011 - 2¹⁰ = 203001310987 is a prime.

Together with 203001312013, 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 (203001312013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101500656005 + 101500656006.

It is an arithmetic number, because the mean of its divisors is an integer number (101500656006).

Almost surely, 2^203001312011 is an apocalyptic number.

203001312011 is a deficient number, since it is larger than the sum of its proper divisors (1).

203001312011 is an equidigital number, since it uses as much as digits as its factorization.

203001312011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 203001312011 its reverse (110213100302), we get a palindrome (313214412313).

The spelling of 203001312011 in words is "two hundred three billion, one million, three hundred twelve thousand, eleven".