31106099 has 2 divisors, whose sum is σ = 31106100. Its totient is φ = 31106098.

The previous prime is 31106041. The next prime is 31106129. The reversal of 31106099 is 99060113.

It is a strong prime.

It is an emirp because it is prime and its reverse (99060113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31106099 - 2⁸ = 31105843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31106029) 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, 15553049 + 15553050.

It is an arithmetic number, because the mean of its divisors is an integer number (15553050).

Almost surely, 2^31106099 is an apocalyptic number.

31106099 is a deficient number, since it is larger than the sum of its proper divisors (1).

31106099 is an equidigital number, since it uses as much as digits as its factorization.

31106099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 31106099 is about 5577.2841957354. The cubic root of 31106099 is about 314.4960413952.

The spelling of 31106099 in words is "thirty-one million, one hundred six thousand, ninety-nine".