201311303310201 has 16 divisors (see below), whose sum is σ = 306761215872384. Its totient is φ = 115034604973824.

The previous prime is 201311303310197. The next prime is 201311303310233. The reversal of 201311303310201 is 102013303113102.

It is a happy number.

It is not a de Polignac number, because 201311303310201 - 2² = 201311303310197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (201311303310001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11870976 + ... + 23314001.

It is an arithmetic number, because the mean of its divisors is an integer number (19172575992024).

Almost surely, 2^{201311303310201} is an apocalyptic number.

201311303310201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201311303310201 is a deficient number, since it is larger than the sum of its proper divisors (105449912562183).

201311303310201 is a wasteful number, since it uses less digits than its factorization.

201311303310201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35457440.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 201311303310201 its reverse (102013303113102), we get a palindrome (303324606423303).

The spelling of 201311303310201 in words is "two hundred one trillion, three hundred eleven billion, three hundred three million, three hundred ten thousand, two hundred one".