201340231311 has 8 divisors (see below), whose sum is σ = 268455721984. Its totient is φ = 134225780760.

The previous prime is 201340231303. The next prime is 201340231319. The reversal of 201340231311 is 113132043102.

201340231311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201340231303) and next prime (201340231319).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201340231311 - 2³ = 201340231303 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 (201340231319) 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 7 ways as a sum of consecutive naturals, for example, 571680 + ... + 854106.

It is an arithmetic number, because the mean of its divisors is an integer number (33556965248).

Almost surely, 2^201340231311 is an apocalyptic number.

201340231311 is a deficient number, since it is larger than the sum of its proper divisors (67115490673).

201340231311 is a wasteful number, since it uses less digits than its factorization.

201340231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520061.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201340231311 its reverse (113132043102), we get a palindrome (314472274413).

The spelling of 201340231311 in words is "two hundred one billion, three hundred forty million, two hundred thirty-one thousand, three hundred eleven".