2112311232331 has 8 divisors (see below), whose sum is σ = 2220239546784. Its totient is φ = 2005723642560.

The previous prime is 2112311232323. The next prime is 2112311232439. The reversal of 2112311232331 is 1332321132112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112311232331 - 2³ = 2112311232323 is a prime.

It is a super-2 number, since 2×2112311232331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112311232296 and 2112311232305.

It is not an unprimeable number, because it can be changed into a prime (2112311232301) 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, 335177940 + ... + 335184241.

It is an arithmetic number, because the mean of its divisors is an integer number (277529943348).

Almost surely, 2^{2112311232331} is an apocalyptic number.

2112311232331 is a deficient number, since it is larger than the sum of its proper divisors (107928314453).

2112311232331 is a wasteful number, since it uses less digits than its factorization.

2112311232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670362341.

The product of its digits is 1296, while the sum is 25.

Adding to 2112311232331 its reverse (1332321132112), we get a palindrome (3444632364443).

The spelling of 2112311232331 in words is "two trillion, one hundred twelve billion, three hundred eleven million, two hundred thirty-two thousand, three hundred thirty-one".