203040202034 has 4 divisors (see below), whose sum is σ = 304560303054. Its totient is φ = 101520101016.

The previous prime is 203040201953. The next prime is 203040202081. The reversal of 203040202034 is 430202040302.

203040202034 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., 184680765025 + 18359437009 = 429745^2 + 135497^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203040201997 and 203040202015.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50760050507 + ... + 50760050510.

Almost surely, 2^203040202034 is an apocalyptic number.

203040202034 is a deficient number, since it is larger than the sum of its proper divisors (101520101020).

203040202034 is a wasteful number, since it uses less digits than its factorization.

203040202034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101520101019.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 203040202034 its reverse (430202040302), we get a palindrome (633242242336).

The spelling of 203040202034 in words is "two hundred three billion, forty million, two hundred two thousand, thirty-four".