203112321100063 has 2 divisors, whose sum is σ = 203112321100064. Its totient is φ = 203112321100062.

The previous prime is 203112321100019. The next prime is 203112321100121. The reversal of 203112321100063 is 360001123211302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203112321100063 - 2⁹ = 203112321099551 is a prime.

It is a super-2 number, since 2×203112321100063² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203112321100463) 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, 101556160550031 + 101556160550032.

It is an arithmetic number, because the mean of its divisors is an integer number (101556160550032).

Almost surely, 2^{203112321100063} is an apocalyptic number.

203112321100063 is a deficient number, since it is larger than the sum of its proper divisors (1).

203112321100063 is an equidigital number, since it uses as much as digits as its factorization.

203112321100063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 203112321100063 its reverse (360001123211302), we get a palindrome (563113444311365).

The spelling of 203112321100063 in words is "two hundred three trillion, one hundred twelve billion, three hundred twenty-one million, one hundred thousand, sixty-three".