1131300320 has 24 divisors (see below), whose sum is σ = 2672697384. Its totient is φ = 452520064.

The previous prime is 1131300311. The next prime is 1131300323. The reversal of 1131300320 is 230031311.

1131300320 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1131300295 and 1131300304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131300323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535154 + ... + 3535473.

It is an arithmetic number, because the mean of its divisors is an integer number (111362391).

Almost surely, 2^1131300320 is an apocalyptic number.

1131300320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131300320 is an abundant number, since it is smaller than the sum of its proper divisors (1541397064).

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

1131300320 is an equidigital number, since it uses as much as digits as its factorization.

1131300320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7070642 (or 7070634 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1131300320 is about 33634.8081605946. The cubic root of 1131300320 is about 1041.9798086035.

Adding to 1131300320 its reverse (230031311), we get a palindrome (1361331631).

The spelling of 1131300320 in words is "one billion, one hundred thirty-one million, three hundred thousand, three hundred twenty".