203054050361 has 4 divisors (see below), whose sum is σ = 204536196852. Its totient is φ = 201571903872.

The previous prime is 203054050357. The next prime is 203054050369. The reversal of 203054050361 is 163050450302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163050450302 = 2 ⋅81525225151.

It can be written as a sum of positive squares in 2 ways, for example, as 79611444025 + 123442606336 = 282155^2 + 351344^2 .

It is a cyclic number.

It is not a de Polignac number, because 203054050361 - 2² = 203054050357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203054050369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741073040 + ... + 741073313.

It is an arithmetic number, because the mean of its divisors is an integer number (51134049213).

Almost surely, 2^203054050361 is an apocalyptic number.

It is an amenable number.

203054050361 is a deficient number, since it is larger than the sum of its proper divisors (1482146491).

203054050361 is a wasteful number, since it uses less digits than its factorization.

203054050361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482146490.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 203054050361 in words is "two hundred three billion, fifty-four million, fifty thousand, three hundred sixty-one".