109231379 has 2 divisors, whose sum is σ = 109231380. Its totient is φ = 109231378.

The previous prime is 109231327. The next prime is 109231387. The reversal of 109231379 is 973132901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109231379 - 2⁸ = 109231123 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109231319) 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 as a sum of consecutive naturals, namely, 54615689 + 54615690.

It is an arithmetic number, because the mean of its divisors is an integer number (54615690).

Almost surely, 2^109231379 is an apocalyptic number.

109231379 is a deficient number, since it is larger than the sum of its proper divisors (1).

109231379 is an equidigital number, since it uses as much as digits as its factorization.

109231379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 109231379 is about 10451.3816789935. The cubic root of 109231379 is about 478.0233805082.

The spelling of 109231379 in words is "one hundred nine million, two hundred thirty-one thousand, three hundred seventy-nine".