203003320440230 has 16 divisors (see below), whose sum is σ = 365571844275024. Its totient is φ = 81164468735520.

The previous prime is 203003320440197. The next prime is 203003320440269. The reversal of 203003320440230 is 32044023300302.

It is a self number, because there is not a number n which added to its sum of digits gives 203003320440230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4607406941 + ... + 4607451000.

It is an arithmetic number, because the mean of its divisors is an integer number (22848240267189).

Almost surely, 2^{203003320440230} is an apocalyptic number.

203003320440230 is a deficient number, since it is larger than the sum of its proper divisors (162568523834794).

203003320440230 is a wasteful number, since it uses less digits than its factorization.

203003320440230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9214860151.

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 203003320440230 its reverse (32044023300302), we get a palindrome (235047343740532).

The spelling of 203003320440230 in words is "two hundred three trillion, three billion, three hundred twenty million, four hundred forty thousand, two hundred thirty".