203130071 has 2 divisors, whose sum is σ = 203130072. Its totient is φ = 203130070.

The previous prime is 203130047. The next prime is 203130101. The reversal of 203130071 is 170031302.

203130071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203130071 - 2¹⁸ = 202867927 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203130971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101565035 + 101565036.

It is an arithmetic number, because the mean of its divisors is an integer number (101565036).

Almost surely, 2^203130071 is an apocalyptic number.

203130071 is a deficient number, since it is larger than the sum of its proper divisors (1).

203130071 is an equidigital number, since it uses as much as digits as its factorization.

203130071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 203130071 is about 14252.3707150775. The cubic root of 203130071 is about 587.8385636303.

Adding to 203130071 its reverse (170031302), we get a palindrome (373161373).

The spelling of 203130071 in words is "two hundred three million, one hundred thirty thousand, seventy-one".