203315413004243 has 2 divisors, whose sum is σ = 203315413004244. Its totient is φ = 203315413004242.

The previous prime is 203315413004213. The next prime is 203315413004279. The reversal of 203315413004243 is 342400314513302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203315413004243 - 2²² = 203315408809939 is a prime.

It is not a weakly prime, because it can be changed into another prime (203315413004213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101657706502121 + 101657706502122.

It is an arithmetic number, because the mean of its divisors is an integer number (101657706502122).

Almost surely, 2^{203315413004243} is an apocalyptic number.

203315413004243 is a deficient number, since it is larger than the sum of its proper divisors (1).

203315413004243 is an equidigital number, since it uses as much as digits as its factorization.

203315413004243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 203315413004243 its reverse (342400314513302), we get a palindrome (545715727517545).

The spelling of 203315413004243 in words is "two hundred three trillion, three hundred fifteen billion, four hundred thirteen million, four thousand, two hundred forty-three".