203130047 has 2 divisors, whose sum is σ = 203130048. Its totient is φ = 203130046.

The previous prime is 203130029. The next prime is 203130071. The reversal of 203130047 is 740031302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203130047 - 2⁸ = 203129791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203130247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101565023 + 101565024.

It is an arithmetic number, because the mean of its divisors is an integer number (101565024).

Almost surely, 2^203130047 is an apocalyptic number.

203130047 is a deficient number, since it is larger than the sum of its proper divisors (1).

203130047 is an equidigital number, since it uses as much as digits as its factorization.

203130047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 203130047 is about 14252.3698731123. The cubic root of 203130047 is about 587.8385404791.

Adding to 203130047 its reverse (740031302), we get a palindrome (943161349).

The spelling of 203130047 in words is "two hundred three million, one hundred thirty thousand, forty-seven".