11311303213312 has 36 divisors (see below), whose sum is σ = 22596793653420. Its totient is φ = 5651049617408.

The previous prime is 11311303213229. The next prime is 11311303213313. The reversal of 11311303213312 is 21331230311311.

It can be written as a sum of positive squares in 2 ways, for example, as 10629582172416 + 681721040896 = 3260304^2 + 825664^2 .

It is not an unprimeable number, because it can be changed into a prime (11311303213313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17661283 + ... + 18290530.

It is an arithmetic number, because the mean of its divisors is an integer number (627688712595).

Almost surely, 2^{11311303213312} is an apocalyptic number.

It is an amenable number.

11311303213312 is a deficient number, since it is larger than the sum of its proper divisors (11285490440108).

11311303213312 is an equidigital number, since it uses as much as digits as its factorization.

11311303213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35953058 (or 35953044 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11311303213312 its reverse (21331230311311), we get a palindrome (32642533524623).

The spelling of 11311303213312 in words is "eleven trillion, three hundred eleven billion, three hundred three million, two hundred thirteen thousand, three hundred twelve".