311200201 has 4 divisors (see below), whose sum is σ = 335138692. Its totient is φ = 287261712.

The previous prime is 311200199. The next prime is 311200231. The reversal of 311200201 is 102002113.

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

It can be written as a sum of positive squares in 2 ways, for example, as 162945225 + 148254976 = 12765^2 + 12176^2 .

It is a cyclic number.

It is not a de Polignac number, because 311200201 - 2¹ = 311200199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311200231) 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, 11969226 + ... + 11969251.

It is an arithmetic number, because the mean of its divisors is an integer number (83784673).

Almost surely, 2^311200201 is an apocalyptic number.

It is an amenable number.

311200201 is a deficient number, since it is larger than the sum of its proper divisors (23938491).

311200201 is a wasteful number, since it uses less digits than its factorization.

311200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23938490.

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

The square root of 311200201 is about 17640.8673539597. The cubic root of 311200201 is about 677.6622440645.

Adding to 311200201 its reverse (102002113), we get a palindrome (413202314).

The spelling of 311200201 in words is "three hundred eleven million, two hundred thousand, two hundred one".