201311200 has 36 divisors (see below), whose sum is σ = 491452920. Its totient is φ = 80524160.

The previous prime is 201311183. The next prime is 201311219. The reversal of 201311200 is 2113102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125020 + ... + 126619.

It is an arithmetic number, because the mean of its divisors is an integer number (13651470).

Almost surely, 2^201311200 is an apocalyptic number.

201311200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201311200 is an abundant number, since it is smaller than the sum of its proper divisors (290141720).

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

201311200 is a wasteful number, since it uses less digits than its factorization.

201311200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251659 (or 251646 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 201311200 is about 14188.4178117223. The cubic root of 201311200 is about 586.0787556209.

Adding to 201311200 its reverse (2113102), we get a palindrome (203424302).

The spelling of 201311200 in words is "two hundred one million, three hundred eleven thousand, two hundred".