2011306117 has 2 divisors, whose sum is σ = 2011306118. Its totient is φ = 2011306116.

The previous prime is 2011306111. The next prime is 2011306153. The reversal of 2011306117 is 7116031102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1431411556 + 579894561 = 37834^2 + 24081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011306117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011306111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005653058 + 1005653059.

It is an arithmetic number, because the mean of its divisors is an integer number (1005653059).

Almost surely, 2^2011306117 is an apocalyptic number.

It is an amenable number.

2011306117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011306117 is an equidigital number, since it uses as much as digits as its factorization.

2011306117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 2011306117 is about 44847.5876385787. The cubic root of 2011306117 is about 1262.2907259828.

Adding to 2011306117 its reverse (7116031102), we get a palindrome (9127337219).

The spelling of 2011306117 in words is "two billion, eleven million, three hundred six thousand, one hundred seventeen".