203130121307 has 2 divisors, whose sum is σ = 203130121308. Its totient is φ = 203130121306.

The previous prime is 203130121283. The next prime is 203130121321. The reversal of 203130121307 is 703121031302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203130121307 - 2¹⁰ = 203130120283 is a prime.

It is not a weakly prime, because it can be changed into another prime (203130121357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101565060653 + 101565060654.

It is an arithmetic number, because the mean of its divisors is an integer number (101565060654).

Almost surely, 2^203130121307 is an apocalyptic number.

203130121307 is a deficient number, since it is larger than the sum of its proper divisors (1).

203130121307 is an equidigital number, since it uses as much as digits as its factorization.

203130121307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 203130121307 its reverse (703121031302), we get a palindrome (906251152609).

The spelling of 203130121307 in words is "two hundred three billion, one hundred thirty million, one hundred twenty-one thousand, three hundred seven".