109868831 has 2 divisors, whose sum is σ = 109868832. Its totient is φ = 109868830.

The previous prime is 109868819. The next prime is 109868851. The reversal of 109868831 is 138868901.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (138868901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109868831 is a prime.

It is a super-2 number, since 2×109868831² = 24142320050613122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109868851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54934415 + 54934416.

It is an arithmetic number, because the mean of its divisors is an integer number (54934416).

Almost surely, 2^109868831 is an apocalyptic number.

109868831 is a deficient number, since it is larger than the sum of its proper divisors (1).

109868831 is an equidigital number, since it uses as much as digits as its factorization.

109868831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 109868831 is about 10481.8333797099. The cubic root of 109868831 is about 478.9514597279.

The spelling of 109868831 in words is "one hundred nine million, eight hundred sixty-eight thousand, eight hundred thirty-one".