203216941 has 4 divisors (see below), whose sum is σ = 203246172. Its totient is φ = 203187712.

The previous prime is 203216939. The next prime is 203216969. The reversal of 203216941 is 149612302.

203216941 = T₁₁₆₃₈ + T₁₁₆₃₉ + T₁₁₆₄₀.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 162945225 + 40271716 = 12765^2 + 6346^2 .

It is a cyclic number.

It is not a de Polignac number, because 203216941 - 2¹ = 203216939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203216911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2475 + ... + 20311.

It is an arithmetic number, because the mean of its divisors is an integer number (50811543).

Almost surely, 2^203216941 is an apocalyptic number.

203216941 is the 11640-th centered triangular number.

It is an amenable number.

203216941 is a deficient number, since it is larger than the sum of its proper divisors (29231).

203216941 is a wasteful number, since it uses less digits than its factorization.

203216941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29230.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 203216941 is about 14255.4179524839. The cubic root of 203216941 is about 587.9223494495.

The spelling of 203216941 in words is "two hundred three million, two hundred sixteen thousand, nine hundred forty-one".