105995831 has 2 divisors, whose sum is σ = 105995832. Its totient is φ = 105995830.

The previous prime is 105995821. The next prime is 105995909. The reversal of 105995831 is 138599501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105995831 - 2⁶ = 105995767 is a prime.

It is a super-2 number, since 2×105995831² = 22470232378761122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105995821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52997915 + 52997916.

It is an arithmetic number, because the mean of its divisors is an integer number (52997916).

Almost surely, 2^105995831 is an apocalyptic number.

105995831 is a deficient number, since it is larger than the sum of its proper divisors (1).

105995831 is an equidigital number, since it uses as much as digits as its factorization.

105995831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 41.

The square root of 105995831 is about 10295.4276744582. The cubic root of 105995831 is about 473.2561445358.

The spelling of 105995831 in words is "one hundred five million, nine hundred ninety-five thousand, eight hundred thirty-one".