203354530042 has 16 divisors (see below), whose sum is σ = 308052182592. Its totient is φ = 100674856800.

The previous prime is 203354530039. The next prime is 203354530103. The reversal of 203354530042 is 240035453302.

It is a junction number, because it is equal to n+sod(n) for n = 203354529986 and 203354530013.

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, 1003963 + ... + 1189390.

It is an arithmetic number, because the mean of its divisors is an integer number (19253261412).

Almost surely, 2^203354530042 is an apocalyptic number.

203354530042 is a deficient number, since it is larger than the sum of its proper divisors (104697652550).

203354530042 is a wasteful number, since it uses less digits than its factorization.

203354530042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193813.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 203354530042 its reverse (240035453302), we get a palindrome (443389983344).

The spelling of 203354530042 in words is "two hundred three billion, three hundred fifty-four million, five hundred thirty thousand, forty-two".