201311302200 has 48 divisors (see below), whose sum is σ = 624065038680. Its totient is φ = 53683013760.

The previous prime is 201311302193. The next prime is 201311302373. The reversal of 201311302200 is 2203113102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201311302200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167758819 + ... + 167760018.

Almost surely, 2^201311302200 is an apocalyptic number.

201311302200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201311302200 is an abundant number, since it is smaller than the sum of its proper divisors (422753736480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201311302200 is a wasteful number, since it uses less digits than its factorization.

201311302200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335518856 (or 335518847 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 201311302200 its reverse (2203113102), we get a palindrome (203514415302).

The spelling of 201311302200 in words is "two hundred one billion, three hundred eleven million, three hundred two thousand, two hundred".