203034203320042 has 4 divisors (see below), whose sum is σ = 304551304980066. Its totient is φ = 101517101660020.

The previous prime is 203034203319989. The next prime is 203034203320051. The reversal of 203034203320042 is 240023302430302.

203034203320042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 194831598487681 + 8202604832361 = 13958209^2 + 2864019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50758550830009 + ... + 50758550830012.

Almost surely, 2^{203034203320042} is an apocalyptic number.

203034203320042 is a deficient number, since it is larger than the sum of its proper divisors (101517101660024).

203034203320042 is a wasteful number, since it uses less digits than its factorization.

203034203320042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101517101660023.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 203034203320042 its reverse (240023302430302), we get a palindrome (443057505750344).

The spelling of 203034203320042 in words is "two hundred three trillion, thirty-four billion, two hundred three million, three hundred twenty thousand, forty-two".