2311103231201 has 4 divisors (see below), whose sum is σ = 2390796446100. Its totient is φ = 2231410016304.

The previous prime is 2311103231197. The next prime is 2311103231221. The reversal of 2311103231201 is 1021323011132.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 937800496801 + 1373302734400 = 968401^2 + 1171880^2 .

It is not a de Polignac number, because 2311103231201 - 2² = 2311103231197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311103231221) 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 3 ways as a sum of consecutive naturals, for example, 39846607406 + ... + 39846607463.

It is an arithmetic number, because the mean of its divisors is an integer number (597699111525).

Almost surely, 2^{2311103231201} is an apocalyptic number.

It is an amenable number.

2311103231201 is a deficient number, since it is larger than the sum of its proper divisors (79693214899).

2311103231201 is an equidigital number, since it uses as much as digits as its factorization.

2311103231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79693214898.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2311103231201 its reverse (1021323011132), we get a palindrome (3332426242333).

The spelling of 2311103231201 in words is "two trillion, three hundred eleven billion, one hundred three million, two hundred thirty-one thousand, two hundred one".