311201200223 has 4 divisors (see below), whose sum is σ = 311219126400. Its totient is φ = 311183274048.

The previous prime is 311201200207. The next prime is 311201200229. The reversal of 311201200223 is 322002102113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322002102113 = 773 ⋅416561581.

It is a cyclic number.

It is not a de Polignac number, because 311201200223 - 2⁴ = 311201200207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311201200229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8937023 + ... + 8971776.

It is an arithmetic number, because the mean of its divisors is an integer number (77804781600).

Almost surely, 2^311201200223 is an apocalyptic number.

311201200223 is a deficient number, since it is larger than the sum of its proper divisors (17926177).

311201200223 is a wasteful number, since it uses less digits than its factorization.

311201200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17926176.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 311201200223 its reverse (322002102113), we get a palindrome (633203302336).

The spelling of 311201200223 in words is "three hundred eleven billion, two hundred one million, two hundred thousand, two hundred twenty-three".