203401344411 has 12 divisors (see below), whose sum is σ = 294577149880. Its totient is φ = 135243108000.

The previous prime is 203401344407. The next prime is 203401344437. The reversal of 203401344411 is 114443104302.

203401344411 is a `hidden beast` number, since 203 + 4 + 0 + 1 + 3 + 44 + 411 = 666.

It is not a de Polignac number, because 203401344411 - 2² = 203401344407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203401344401) 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 11 ways as a sum of consecutive naturals, for example, 29812090 + ... + 29818911.

Almost surely, 2^203401344411 is an apocalyptic number.

203401344411 is a deficient number, since it is larger than the sum of its proper divisors (91175805469).

203401344411 is a wasteful number, since it uses less digits than its factorization.

203401344411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59631386 (or 59631383 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 203401344411 its reverse (114443104302), we get a palindrome (317844448713).

The spelling of 203401344411 in words is "two hundred three billion, four hundred one million, three hundred forty-four thousand, four hundred eleven".