203303030442442 has 8 divisors (see below), whose sum is σ = 348519480758496. Its totient is φ = 87129870189612.

The previous prime is 203303030442349. The next prime is 203303030442443. The reversal of 203303030442442 is 244244030303302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 203303030442398 and 203303030442407.

It is not an unprimeable number, because it can be changed into a prime (203303030442443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7260822515788 + ... + 7260822515815.

It is an arithmetic number, because the mean of its divisors is an integer number (43564935094812).

Almost surely, 2^{203303030442442} is an apocalyptic number.

203303030442442 is a deficient number, since it is larger than the sum of its proper divisors (145216450316054).

203303030442442 is a wasteful number, since it uses less digits than its factorization.

203303030442442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14521645031612.

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 203303030442442 its reverse (244244030303302), we get a palindrome (447547060745744).

The spelling of 203303030442442 in words is "two hundred three trillion, three hundred three billion, thirty million, four hundred forty-two thousand, four hundred forty-two".