11310311320 has 192 divisors, whose sum is σ = 32450492160. Its totient is φ = 3508243200.

The previous prime is 11310311297. The next prime is 11310311333. The reversal of 11310311320 is 2311301311.

It is a junction number, because it is equal to n+sod(n) for n = 11310311294 and 11310311303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4892965 + ... + 4895275.

It is an arithmetic number, because the mean of its divisors is an integer number (169012980).

Almost surely, 2^11310311320 is an apocalyptic number.

11310311320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11310311320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16225246080).

11310311320 is an abundant number, since it is smaller than the sum of its proper divisors (21140180840).

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

11310311320 is a wasteful number, since it uses less digits than its factorization.

11310311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574 (or 2563 counting only the distinct ones).

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

Adding to 11310311320 its reverse (2311301311), we get a palindrome (13621612631).

The spelling of 11310311320 in words is "eleven billion, three hundred ten million, three hundred eleven thousand, three hundred twenty".