11320112331 has 48 divisors (see below), whose sum is σ = 18632989440. Its totient is φ = 6555447360.

The previous prime is 11320112327. The next prime is 11320112347. The reversal of 11320112331 is 13321102311.

11320112331 is a `hidden beast` number, since 1 + 1 + 320 + 1 + 12 + 331 = 666.

It is not a de Polignac number, because 11320112331 - 2² = 11320112327 is a prime.

It is a super-2 number, since 2×11320112331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11320112311) 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, 2814640 + ... + 2818658.

It is an arithmetic number, because the mean of its divisors is an integer number (388187280).

Almost surely, 2^11320112331 is an apocalyptic number.

11320112331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11320112331 is a deficient number, since it is larger than the sum of its proper divisors (7312877109).

11320112331 is a wasteful number, since it uses less digits than its factorization.

11320112331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296 (or 5293 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11320112331 its reverse (13321102311), we get a palindrome (24641214642).

The spelling of 11320112331 in words is "eleven billion, three hundred twenty million, one hundred twelve thousand, three hundred thirty-one".