12111113312331 has 8 divisors (see below), whose sum is σ = 17616164817984. Its totient is φ = 7340068674120.

The previous prime is 12111113312213. The next prime is 12111113312359. The reversal of 12111113312331 is 13321331111121.

12111113312331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12111113312331 - 2¹⁴ = 12111113295947 is a prime.

It is a super-2 number, since 2×12111113312331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12111113314331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183501716821 + ... + 183501716886.

It is an arithmetic number, because the mean of its divisors is an integer number (2202020602248).

Almost surely, 2^{12111113312331} is an apocalyptic number.

12111113312331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12111113312331 is a deficient number, since it is larger than the sum of its proper divisors (5505051505653).

12111113312331 is a wasteful number, since it uses less digits than its factorization.

12111113312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367003433721.

The product of its digits is 324, while the sum is 24.

Adding to 12111113312331 its reverse (13321331111121), we get a palindrome (25432444423452).

The spelling of 12111113312331 in words is "twelve trillion, one hundred eleven billion, one hundred thirteen million, three hundred twelve thousand, three hundred thirty-one".