203031312047 has 2 divisors, whose sum is σ = 203031312048. Its totient is φ = 203031312046.

The previous prime is 203031312041. The next prime is 203031312131. The reversal of 203031312047 is 740213130302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203031312047 - 2⁴ = 203031312031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203031312041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101515656023 + 101515656024.

It is an arithmetic number, because the mean of its divisors is an integer number (101515656024).

Almost surely, 2^203031312047 is an apocalyptic number.

203031312047 is a deficient number, since it is larger than the sum of its proper divisors (1).

203031312047 is an equidigital number, since it uses as much as digits as its factorization.

203031312047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 203031312047 its reverse (740213130302), we get a palindrome (943244442349).

The spelling of 203031312047 in words is "two hundred three billion, thirty-one million, three hundred twelve thousand, forty-seven".