109061831 has 2 divisors, whose sum is σ = 109061832. Its totient is φ = 109061830.

The previous prime is 109061819. The next prime is 109061857. The reversal of 109061831 is 138160901.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109061831 - 2²² = 104867527 is a prime.

It is a super-2 number, since 2×109061831² = 23788965962145122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 109061794 and 109061803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109061861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54530915 + 54530916.

It is an arithmetic number, because the mean of its divisors is an integer number (54530916).

Almost surely, 2^109061831 is an apocalyptic number.

109061831 is a deficient number, since it is larger than the sum of its proper divisors (1).

109061831 is an equidigital number, since it uses as much as digits as its factorization.

109061831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 109061831 is about 10443.2672569460. The cubic root of 109061831 is about 477.7759245146.

The spelling of 109061831 in words is "one hundred nine million, sixty-one thousand, eight hundred thirty-one".