203311120244 has 24 divisors (see below), whose sum is σ = 380110352160. Its totient is φ = 94867873056.

The previous prime is 203311120231. The next prime is 203311120253. The reversal of 203311120244 is 442021113302.

It is a super-2 number, since 2×203311120244² (a number of 23 digits) contains 22 as substring.

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, 19958687 + ... + 19968870.

It is an arithmetic number, because the mean of its divisors is an integer number (15837931340).

Almost surely, 2^203311120244 is an apocalyptic number.

It is an amenable number.

203311120244 is a deficient number, since it is larger than the sum of its proper divisors (176799231916).

203311120244 is a wasteful number, since it uses less digits than its factorization.

203311120244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39927647 (or 39927645 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 203311120244 its reverse (442021113302), we get a palindrome (645332233546).

The spelling of 203311120244 in words is "two hundred three billion, three hundred eleven million, one hundred twenty thousand, two hundred forty-four".