203314400129 has 4 divisors (see below), whose sum is σ = 203317796676. Its totient is φ = 203311003584.

The previous prime is 203314400077. The next prime is 203314400141. The reversal of 203314400129 is 921004413302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33386598400 + 169927801729 = 182720^2 + 412223^2 .

It is a cyclic number.

It is not a de Polignac number, because 203314400129 - 2¹⁶ = 203314334593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203314400929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1606844 + ... + 1728749.

It is an arithmetic number, because the mean of its divisors is an integer number (50829449169).

Almost surely, 2^203314400129 is an apocalyptic number.

It is an amenable number.

203314400129 is a deficient number, since it is larger than the sum of its proper divisors (3396547).

203314400129 is an equidigital number, since it uses as much as digits as its factorization.

203314400129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396546.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 203314400129 in words is "two hundred three billion, three hundred fourteen million, four hundred thousand, one hundred twenty-nine".