201313811228 has 12 divisors (see below), whose sum is σ = 352848782832. Its totient is φ = 100499873280.

The previous prime is 201313811227. The next prime is 201313811233. The reversal of 201313811228 is 822118313102.

201313811228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201313811228² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201313811194 and 201313811203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201313811227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39255200 + ... + 39260327.

It is an arithmetic number, because the mean of its divisors is an integer number (29404065236).

Almost surely, 2^201313811228 is an apocalyptic number.

It is an amenable number.

201313811228 is a deficient number, since it is larger than the sum of its proper divisors (151534971604).

201313811228 is a wasteful number, since it uses less digits than its factorization.

201313811228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78516172 (or 78516170 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 201313811228 in words is "two hundred one billion, three hundred thirteen million, eight hundred eleven thousand, two hundred twenty-eight".