201100013231311 has 4 divisors (see below), whose sum is σ = 201519846244800. Its totient is φ = 200680180217824.

The previous prime is 201100013231303. The next prime is 201100013231321. The reversal of 201100013231311 is 113132310001102.

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 201100013231311 - 2³ = 201100013231303 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 (201100013231321) 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, 209916506026 + ... + 209916506983.

It is an arithmetic number, because the mean of its divisors is an integer number (50379961561200).

Almost surely, 2^{201100013231311} is an apocalyptic number.

201100013231311 is a deficient number, since it is larger than the sum of its proper divisors (419833013489).

201100013231311 is an equidigital number, since it uses as much as digits as its factorization.

201100013231311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419833013488.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 201100013231311 its reverse (113132310001102), we get a palindrome (314232323232413).

The spelling of 201100013231311 in words is "two hundred one trillion, one hundred billion, thirteen million, two hundred thirty-one thousand, three hundred eleven".