203150042042 has 8 divisors (see below), whose sum is σ = 304732014132. Its totient is φ = 101572704000.

The previous prime is 203150042023. The next prime is 203150042113. The reversal of 203150042042 is 240240051302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 107873490481 + 95276551561 = 328441^2 + 308669^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 203150041999 and 203150042017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046759 + ... + 1225562.

Almost surely, 2^203150042042 is an apocalyptic number.

203150042042 is a deficient number, since it is larger than the sum of its proper divisors (101581972090).

203150042042 is a wasteful number, since it uses less digits than its factorization.

203150042042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317024.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 203150042042 its reverse (240240051302), we get a palindrome (443390093344).

The spelling of 203150042042 in words is "two hundred three billion, one hundred fifty million, forty-two thousand, forty-two".