11123300331 has 48 divisors (see below), whose sum is σ = 18890726400. Its totient is φ = 6217940160.

The previous prime is 11123300327. The next prime is 11123300339. The reversal of 11123300331 is 13300332111.

It is a happy number.

11123300331 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 330 + 0 + 331 = 666.

It is not a de Polignac number, because 11123300331 - 2² = 11123300327 is a prime.

It is a super-2 number, since 2×11123300331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11123300339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2184070 + ... + 2189156.

It is an arithmetic number, because the mean of its divisors is an integer number (393556800).

Almost surely, 2^11123300331 is an apocalyptic number.

11123300331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11123300331 is a deficient number, since it is larger than the sum of its proper divisors (7767426069).

11123300331 is a wasteful number, since it uses less digits than its factorization.

11123300331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6816 (or 6813 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11123300331 its reverse (13300332111), we get a palindrome (24423632442).

The spelling of 11123300331 in words is "eleven billion, one hundred twenty-three million, three hundred thousand, three hundred thirty-one".