203142304129 has 2 divisors, whose sum is σ = 203142304130. Its totient is φ = 203142304128.

The previous prime is 203142304061. The next prime is 203142304147. The reversal of 203142304129 is 921403241302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129783665025 + 73358639104 = 360255^2 + 270848^2 .

It is a cyclic number.

It is not a de Polignac number, because 203142304129 - 2¹¹ = 203142302081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203142304129.

It is not a weakly prime, because it can be changed into another prime (203142304229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101571152064 + 101571152065.

It is an arithmetic number, because the mean of its divisors is an integer number (101571152065).

Almost surely, 2^203142304129 is an apocalyptic number.

It is an amenable number.

203142304129 is a deficient number, since it is larger than the sum of its proper divisors (1).

203142304129 is an equidigital number, since it uses as much as digits as its factorization.

203142304129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 203142304129 in words is "two hundred three billion, one hundred forty-two million, three hundred four thousand, one hundred twenty-nine".