201313323311 has 4 divisors (see below), whose sum is σ = 211908761400. Its totient is φ = 190717885224.

The previous prime is 201313323293. The next prime is 201313323329. The reversal of 201313323311 is 113323313102.

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

It is an interprime number because it is at equal distance from previous prime (201313323293) and next prime (201313323329).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201313323311 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 (201313323331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5297719016 + ... + 5297719053.

It is an arithmetic number, because the mean of its divisors is an integer number (52977190350).

Almost surely, 2^201313323311 is an apocalyptic number.

201313323311 is a deficient number, since it is larger than the sum of its proper divisors (10595438089).

201313323311 is a wasteful number, since it uses less digits than its factorization.

201313323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10595438088.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 201313323311 its reverse (113323313102), we get a palindrome (314636636413).

The spelling of 201313323311 in words is "two hundred one billion, three hundred thirteen million, three hundred twenty-three thousand, three hundred eleven".