203110223993429 has 2 divisors, whose sum is σ = 203110223993430. Its totient is φ = 203110223993428.

The previous prime is 203110223993387. The next prime is 203110223993513. The reversal of 203110223993429 is 924399322011302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184392011126404 + 18718212867025 = 13579102^2 + 4326455^2 .

It is a cyclic number.

It is not a de Polignac number, because 203110223993429 - 2¹⁶ = 203110223927893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203110223993329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101555111996714 + 101555111996715.

It is an arithmetic number, because the mean of its divisors is an integer number (101555111996715).

Almost surely, 2^{203110223993429} is an apocalyptic number.

It is an amenable number.

203110223993429 is a deficient number, since it is larger than the sum of its proper divisors (1).

203110223993429 is an equidigital number, since it uses as much as digits as its factorization.

203110223993429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The spelling of 203110223993429 in words is "two hundred three trillion, one hundred ten billion, two hundred twenty-three million, nine hundred ninety-three thousand, four hundred twenty-nine".