201330212310311 has 4 divisors (see below), whose sum is σ = 230091671211792. Its totient is φ = 172568753408832.

The previous prime is 201330212310239. The next prime is 201330212310317. The reversal of 201330212310311 is 113013212033102.

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

It is a cyclic number.

It is not a de Polignac number, because 201330212310311 - 2¹⁰ = 201330212309287 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 (201330212310317) 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, 14380729450730 + ... + 14380729450743.

It is an arithmetic number, because the mean of its divisors is an integer number (57522917802948).

Almost surely, 2^{201330212310311} is an apocalyptic number.

201330212310311 is a deficient number, since it is larger than the sum of its proper divisors (28761458901481).

201330212310311 is an equidigital number, since it uses as much as digits as its factorization.

201330212310311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28761458901480.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 201330212310311 its reverse (113013212033102), we get a palindrome (314343424343413).

The spelling of 201330212310311 in words is "two hundred one trillion, three hundred thirty billion, two hundred twelve million, three hundred ten thousand, three hundred eleven".