11303321320 has 16 divisors (see below), whose sum is σ = 25432473060. Its totient is φ = 4521328512.

The previous prime is 11303321279. The next prime is 11303321321. The reversal of 11303321320 is 2312330311.

It can be written as a sum of positive squares in 2 ways, for example, as 9164998756 + 2138322564 = 95734^2 + 46242^2 .

It is not an unprimeable number, because it can be changed into a prime (11303321321) 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, 141291477 + ... + 141291556.

Almost surely, 2^11303321320 is an apocalyptic number.

11303321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11303321320 is an abundant number, since it is smaller than the sum of its proper divisors (14129151740).

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

11303321320 is a wasteful number, since it uses less digits than its factorization.

11303321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282583044 (or 282583040 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 11303321320 its reverse (2312330311), we get a palindrome (13615651631).

The spelling of 11303321320 in words is "eleven billion, three hundred three million, three hundred twenty-one thousand, three hundred twenty".