203553302342 has 16 divisors (see below), whose sum is σ = 328845723360. Its totient is φ = 93939435072.

The previous prime is 203553302291. The next prime is 203553302371. The reversal of 203553302342 is 243203355302.

It is a junction number, because it is equal to n+sod(n) for n = 203553302299 and 203553302308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36242 + ... + 639077.

It is an arithmetic number, because the mean of its divisors is an integer number (20552857710).

Almost surely, 2^203553302342 is an apocalyptic number.

203553302342 is a deficient number, since it is larger than the sum of its proper divisors (125292421018).

203553302342 is a wasteful number, since it uses less digits than its factorization.

203553302342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686927.

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 203553302342 its reverse (243203355302), we get a palindrome (446756657644).

The spelling of 203553302342 in words is "two hundred three billion, five hundred fifty-three million, three hundred two thousand, three hundred forty-two".