201030042 has 8 divisors (see below), whose sum is σ = 402060096. Its totient is φ = 67010012.

The previous prime is 201030041. The next prime is 201030061. The reversal of 201030042 is 240030102.

It is a sphenic number, since it is the product of 3 distinct primes.

201030042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (201030041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16752498 + ... + 16752509.

It is an arithmetic number, because the mean of its divisors is an integer number (50257512).

Almost surely, 2^201030042 is an apocalyptic number.

201030042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201030042 is a wasteful number, since it uses less digits than its factorization.

201030042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33505012.

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

The square root of 201030042 is about 14178.5063388214. The cubic root of 201030042 is about 585.8057827260.

Adding to 201030042 its reverse (240030102), we get a palindrome (441060144).

The spelling of 201030042 in words is "two hundred one million, thirty thousand, forty-two".