203312130029 has 2 divisors, whose sum is σ = 203312130030. Its totient is φ = 203312130028.

The previous prime is 203312130013. The next prime is 203312130041. The reversal of 203312130029 is 920031213302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129056970025 + 74255160004 = 359245^2 + 272498^2 .

It is a cyclic number.

It is not a de Polignac number, because 203312130029 - 2⁴ = 203312130013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203312130629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101656065014 + 101656065015.

It is an arithmetic number, because the mean of its divisors is an integer number (101656065015).

Almost surely, 2^203312130029 is an apocalyptic number.

It is an amenable number.

203312130029 is a deficient number, since it is larger than the sum of its proper divisors (1).

203312130029 is an equidigital number, since it uses as much as digits as its factorization.

203312130029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 203312130029 in words is "two hundred three billion, three hundred twelve million, one hundred thirty thousand, twenty-nine".