203130019927 has 2 divisors, whose sum is σ = 203130019928. Its totient is φ = 203130019926.

The previous prime is 203130019903. The next prime is 203130020003. The reversal of 203130019927 is 729910031302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203130019927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203130016927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101565009963 + 101565009964.

It is an arithmetic number, because the mean of its divisors is an integer number (101565009964).

Almost surely, 2^203130019927 is an apocalyptic number.

203130019927 is a deficient number, since it is larger than the sum of its proper divisors (1).

203130019927 is an equidigital number, since it uses as much as digits as its factorization.

203130019927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The spelling of 203130019927 in words is "two hundred three billion, one hundred thirty million, nineteen thousand, nine hundred twenty-seven".