107806831 has 4 divisors (see below), whose sum is σ = 117607464. Its totient is φ = 98006200.

The previous prime is 107806813. The next prime is 107806837. The reversal of 107806831 is 138608701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 107806831 - 2⁵ = 107806799 is a prime.

It is a super-2 number, since 2×107806831² = 23244625620525122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107806837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4900300 + ... + 4900321.

It is an arithmetic number, because the mean of its divisors is an integer number (29401866).

Almost surely, 2^107806831 is an apocalyptic number.

107806831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

107806831 is a deficient number, since it is larger than the sum of its proper divisors (9800633).

107806831 is an equidigital number, since it uses as much as digits as its factorization.

107806831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9800632.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 107806831 is about 10383.0068380985. The cubic root of 107806831 is about 475.9362233010.

The spelling of 107806831 in words is "one hundred seven million, eight hundred six thousand, eight hundred thirty-one".