203031042 has 16 divisors (see below), whose sum is σ = 407271072. Its totient is φ = 67475520.

The previous prime is 203031011. The next prime is 203031067. The reversal of 203031042 is 240130302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48184 + ... + 52227.

It is an arithmetic number, because the mean of its divisors is an integer number (25454442).

Almost surely, 2^203031042 is an apocalyptic number.

203031042 is an abundant number, since it is smaller than the sum of its proper divisors (204240030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203031042 is a wasteful number, since it uses less digits than its factorization.

203031042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100753.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 203031042 is about 14248.8961677738. The cubic root of 203031042 is about 587.7430213548.

Adding to 203031042 its reverse (240130302), we get a palindrome (443161344).

The spelling of 203031042 in words is "two hundred three million, thirty-one thousand, forty-two".