2112693831 has 6 divisors (see below), whose sum is σ = 3051668880. Its totient is φ = 1408462548.

The previous prime is 2112693827. The next prime is 2112693841. The reversal of 2112693831 is 1383962112.

2112693831 is a `hidden beast` number, since 2 + 11 + 269 + 383 + 1 = 666.

It is not a de Polignac number, because 2112693831 - 2² = 2112693827 is a prime.

It is a super-2 number, since 2×2112693831² = 8926950447090913122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112693811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117371871 + ... + 117371888.

It is an arithmetic number, because the mean of its divisors is an integer number (508611480).

Almost surely, 2^2112693831 is an apocalyptic number.

2112693831 is a deficient number, since it is larger than the sum of its proper divisors (938975049).

2112693831 is a wasteful number, since it uses less digits than its factorization.

2112693831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234743765 (or 234743762 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2112693831 is about 45964.0493320595. The cubic root of 2112693831 is about 1283.1542145167.

The spelling of 2112693831 in words is "two billion, one hundred twelve million, six hundred ninety-three thousand, eight hundred thirty-one".