203443110100342 has 32 divisors (see below), whose sum is σ = 350336512641024. Its totient is φ = 86795709408000.

The previous prime is 203443110100327. The next prime is 203443110100423. The reversal of 203443110100342 is 243001011344302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 203443110100342.

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, 84230217 + ... + 86611867.

It is an arithmetic number, because the mean of its divisors is an integer number (10948016020032).

Almost surely, 2^{203443110100342} is an apocalyptic number.

203443110100342 is a deficient number, since it is larger than the sum of its proper divisors (146893402540682).

203443110100342 is a wasteful number, since it uses less digits than its factorization.

203443110100342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409244.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 203443110100342 its reverse (243001011344302), we get a palindrome (446444121444644).

The spelling of 203443110100342 in words is "two hundred three trillion, four hundred forty-three billion, one hundred ten million, one hundred thousand, three hundred forty-two".