203100042 has 32 divisors (see below), whose sum is σ = 411428160. Its totient is φ = 66834560.

The previous prime is 203100031. The next prime is 203100061. The reversal of 203100042 is 240001302.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 182584 + ... + 183692.

It is an arithmetic number, because the mean of its divisors is an integer number (12857130).

Almost surely, 2^203100042 is an apocalyptic number.

203100042 is an abundant number, since it is smaller than the sum of its proper divisors (208328118).

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

203100042 is a wasteful number, since it uses less digits than its factorization.

203100042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 203100042 is about 14251.3172022799. The cubic root of 203100042 is about 587.8095952062.

Adding to 203100042 its reverse (240001302), we get a palindrome (443101344).

The spelling of 203100042 in words is "two hundred three million, one hundred thousand, forty-two".