198303812303 has 16 divisors (see below), whose sum is σ = 205794449280. Its totient is φ = 190972640256.

The previous prime is 198303812233. The next prime is 198303812323. The reversal of 198303812303 is 303218303891.

It is a cyclic number.

It is not a de Polignac number, because 198303812303 - 2¹² = 198303808207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198303812323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662993 + ... + 914421.

It is an arithmetic number, because the mean of its divisors is an integer number (12862153080).

Almost surely, 2^198303812303 is an apocalyptic number.

198303812303 is a deficient number, since it is larger than the sum of its proper divisors (7490636977).

198303812303 is a wasteful number, since it uses less digits than its factorization.

198303812303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251746.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 198303812303 in words is "one hundred ninety-eight billion, three hundred three million, eight hundred twelve thousand, three hundred three".