203033242 has 4 divisors (see below), whose sum is σ = 304549866. Its totient is φ = 101516620.

The previous prime is 203033209. The next prime is 203033309. The reversal of 203033242 is 242330302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242330302 = 2 ⋅121165151.

It can be written as a sum of positive squares in only one way, i.e., 197655481 + 5377761 = 14059^2 + 2319^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50758309 + ... + 50758312.

Almost surely, 2^203033242 is an apocalyptic number.

203033242 is a deficient number, since it is larger than the sum of its proper divisors (101516624).

203033242 is a wasteful number, since it uses less digits than its factorization.

203033242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101516623.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 203033242 is about 14248.9733665271. The cubic root of 203033242 is about 587.7451442321.

Adding to 203033242 its reverse (242330302), we get a palindrome (445363544).

The spelling of 203033242 in words is "two hundred three million, thirty-three thousand, two hundred forty-two".