203343043411093 has 2 divisors, whose sum is σ = 203343043411094. Its totient is φ = 203343043411092.

The previous prime is 203343043411087. The next prime is 203343043411133. The reversal of 203343043411093 is 390114340343302.

It is an a-pointer prime, because the next prime (203343043411133) can be obtained adding 203343043411093 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199272099606129 + 4070943804964 = 14116377^2 + 2017658^2 .

It is a cyclic number.

It is not a de Polignac number, because 203343043411093 - 2⁵ = 203343043411061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203343043411993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101671521705546 + 101671521705547.

It is an arithmetic number, because the mean of its divisors is an integer number (101671521705547).

Almost surely, 2^{203343043411093} is an apocalyptic number.

It is an amenable number.

203343043411093 is a deficient number, since it is larger than the sum of its proper divisors (1).

203343043411093 is an equidigital number, since it uses as much as digits as its factorization.

203343043411093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 40.

Adding to 203343043411093 its reverse (390114340343302), we get a palindrome (593457383754395).

The spelling of 203343043411093 in words is "two hundred three trillion, three hundred forty-three billion, forty-three million, four hundred eleven thousand, ninety-three".