203404001413 has 2 divisors, whose sum is σ = 203404001414. Its totient is φ = 203404001412.

The previous prime is 203404001393. The next prime is 203404001419. The reversal of 203404001413 is 314100404302.

203404001413 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 can be written as a sum of positive squares in only one way, i.e., 109453782244 + 93950219169 = 330838^2 + 306513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203404001413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203404001419) 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, 101702000706 + 101702000707.

It is an arithmetic number, because the mean of its divisors is an integer number (101702000707).

Almost surely, 2^203404001413 is an apocalyptic number.

It is an amenable number.

203404001413 is a deficient number, since it is larger than the sum of its proper divisors (1).

203404001413 is an equidigital number, since it uses as much as digits as its factorization.

203404001413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 203404001413 its reverse (314100404302), we get a palindrome (517504405715).

The spelling of 203404001413 in words is "two hundred three billion, four hundred four million, one thousand, four hundred thirteen".