203213111203 has 8 divisors (see below), whose sum is σ = 212058022176. Its totient is φ = 194368996800.

The previous prime is 203213111173. The next prime is 203213111207. The reversal of 203213111203 is 302111312302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203213111203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203213111207) by changing a digit.

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, 355023 + ... + 729703.

It is an arithmetic number, because the mean of its divisors is an integer number (26507252772).

Almost surely, 2^203213111203 is an apocalyptic number.

203213111203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

203213111203 is a deficient number, since it is larger than the sum of its proper divisors (8844910973).

203213111203 is a wasteful number, since it uses less digits than its factorization.

203213111203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398285.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 203213111203 its reverse (302111312302), we get a palindrome (505324423505).

The spelling of 203213111203 in words is "two hundred three billion, two hundred thirteen million, one hundred eleven thousand, two hundred three".