203433411313 has 16 divisors (see below), whose sum is σ = 223084440000. Its totient is φ = 183977614080.

The previous prime is 203433411299. The next prime is 203433411323. The reversal of 203433411313 is 313114334302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203433411313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203433411323) 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, 1658853 + ... + 1777261.

It is an arithmetic number, because the mean of its divisors is an integer number (13942777500).

Almost surely, 2^203433411313 is an apocalyptic number.

It is an amenable number.

203433411313 is a deficient number, since it is larger than the sum of its proper divisors (19651028687).

203433411313 is a wasteful number, since it uses less digits than its factorization.

203433411313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119232.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 203433411313 its reverse (313114334302), we get a palindrome (516547745615).

The spelling of 203433411313 in words is "two hundred three billion, four hundred thirty-three million, four hundred eleven thousand, three hundred thirteen".