203100442 has 16 divisors (see below), whose sum is σ = 324663552. Its totient is φ = 95067280.

The previous prime is 203100439. The next prime is 203100473. The reversal of 203100442 is 244001302.

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 in 7 ways as a sum of consecutive naturals, for example, 44809 + ... + 49132.

It is an arithmetic number, because the mean of its divisors is an integer number (20291472).

Almost surely, 2^203100442 is an apocalyptic number.

203100442 is a deficient number, since it is larger than the sum of its proper divisors (121563110).

203100442 is a wasteful number, since it uses less digits than its factorization.

203100442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94013.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 203100442 is about 14251.3312360635. The cubic root of 203100442 is about 587.8099810976.

Adding to 203100442 its reverse (244001302), we get a palindrome (447101744).

The spelling of 203100442 in words is "two hundred three million, one hundred thousand, four hundred forty-two".