203111000020313 has 12 divisors (see below), whose sum is σ = 255147702505920. Its totient is φ = 158268311703480.

The previous prime is 203111000020273. The next prime is 203111000020421. The reversal of 203111000020313 is 313020000111302.

203111000020313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203111000020313 - 2¹⁶ = 203110999954777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203111000020291 and 203111000020300.

It is not an unprimeable number, because it can be changed into a prime (203111000020613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119900235293 + ... + 119900236986.

It is an arithmetic number, because the mean of its divisors is an integer number (21262308542160).

Almost surely, 2^{203111000020313} is an apocalyptic number.

It is an amenable number.

203111000020313 is a deficient number, since it is larger than the sum of its proper divisors (52036702485607).

203111000020313 is a wasteful number, since it uses less digits than its factorization.

203111000020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239800472308 (or 239800472297 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 203111000020313 its reverse (313020000111302), we get a palindrome (516131000131615).

The spelling of 203111000020313 in words is "two hundred three trillion, one hundred eleven billion, twenty thousand, three hundred thirteen".