203241213 has 24 divisors (see below), whose sum is σ = 337937600. Its totient is φ = 115297344.

The previous prime is 203241191. The next prime is 203241221. The reversal of 203241213 is 312142302.

It is not a de Polignac number, because 203241213 - 2¹³ = 203233021 is a prime.

It is a super-2 number, since 2×203241213² = 82613981323422738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203241293) 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 in 23 ways as a sum of consecutive naturals, for example, 2848 + ... + 20361.

Almost surely, 2^203241213 is an apocalyptic number.

It is an amenable number.

203241213 is a deficient number, since it is larger than the sum of its proper divisors (134696387).

203241213 is a wasteful number, since it uses less digits than its factorization.

203241213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23361 (or 23358 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 203241213 is about 14256.2692525078. The cubic root of 203241213 is about 587.9457554430.

Adding to 203241213 its reverse (312142302), we get a palindrome (515383515).

The spelling of 203241213 in words is "two hundred three million, two hundred forty-one thousand, two hundred thirteen".