203343243311342 has 32 divisors (see below), whose sum is σ = 318748958341632. Its totient is φ = 97106746914144.

The previous prime is 203343243311311. The next prime is 203343243311393. The reversal of 203343243311342 is 243113342343302.

It is a super-2 number, since 2×203343243311342² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203343243311296 and 203343243311305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310449353 + ... + 311103659.

It is an arithmetic number, because the mean of its divisors is an integer number (9960904948176).

Almost surely, 2^{203343243311342} is an apocalyptic number.

203343243311342 is a deficient number, since it is larger than the sum of its proper divisors (115405715030290).

203343243311342 is a wasteful number, since it uses less digits than its factorization.

203343243311342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664352.

The product of its (nonzero) digits is 373248, while the sum is 38.

Adding to 203343243311342 its reverse (243113342343302), we get a palindrome (446456585654644).

The spelling of 203343243311342 in words is "two hundred three trillion, three hundred forty-three billion, two hundred forty-three million, three hundred eleven thousand, three hundred forty-two".