203311141205 has 32 divisors (see below), whose sum is σ = 258223438080. Its totient is φ = 153361866240.

The previous prime is 203311141193. The next prime is 203311141211. The reversal of 203311141205 is 502141113302.

It is not a de Polignac number, because 203311141205 - 2¹² = 203311137109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3357779 + ... + 3417791.

It is an arithmetic number, because the mean of its divisors is an integer number (8069482440).

Almost surely, 2^203311141205 is an apocalyptic number.

It is an amenable number.

203311141205 is a deficient number, since it is larger than the sum of its proper divisors (54912296875).

203311141205 is a wasteful number, since it uses less digits than its factorization.

203311141205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60461.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 203311141205 its reverse (502141113302), we get a palindrome (705452254507).

The spelling of 203311141205 in words is "two hundred three billion, three hundred eleven million, one hundred forty-one thousand, two hundred five".