203032130311 has 4 divisors (see below), whose sum is σ = 203197064224. Its totient is φ = 202867196400.

The previous prime is 203032130263. The next prime is 203032130341. The reversal of 203032130311 is 113031230302.

203032130311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203032130311 - 2⁹ = 203032129799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203032130341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82465110 + ... + 82467571.

It is an arithmetic number, because the mean of its divisors is an integer number (50799266056).

Almost surely, 2^203032130311 is an apocalyptic number.

203032130311 is a deficient number, since it is larger than the sum of its proper divisors (164933913).

203032130311 is a wasteful number, since it uses less digits than its factorization.

203032130311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164933912.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 203032130311 its reverse (113031230302), we get a palindrome (316063360613).

Subtracting from 203032130311 its reverse (113031230302), we obtain a palindrome (90000900009).

The spelling of 203032130311 in words is "two hundred three billion, thirty-two million, one hundred thirty thousand, three hundred eleven".