11311301320 has 32 divisors (see below), whose sum is σ = 27764104320. Its totient is φ = 4113200320.

The previous prime is 11311301311. The next prime is 11311301327. The reversal of 11311301320 is 2310311311.

It is a junction number, because it is equal to n+sod(n) for n = 11311301294 and 11311301303.

It is not an unprimeable number, because it can be changed into a prime (11311301327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12853312 + ... + 12854191.

It is an arithmetic number, because the mean of its divisors is an integer number (867628260).

Almost surely, 2^11311301320 is an apocalyptic number.

11311301320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11311301320 is an abundant number, since it is smaller than the sum of its proper divisors (16452803000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11311301320 is a wasteful number, since it uses less digits than its factorization.

11311301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25707525 (or 25707521 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11311301320 its reverse (2310311311), we get a palindrome (13621612631).

Subtracting from 11311301320 its reverse (2310311311), we obtain a palindrome (9000990009).

The spelling of 11311301320 in words is "eleven billion, three hundred eleven million, three hundred one thousand, three hundred twenty".