971711113 has 2 divisors, whose sum is σ = 971711114. Its totient is φ = 971711112.

The previous prime is 971711101. The next prime is 971711141. The reversal of 971711113 is 311117179.

It is a happy number.

971711113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 901620729 + 70090384 = 30027^2 + 8372^2 .

It is a cyclic number.

It is not a de Polignac number, because 971711113 - 2¹⁷ = 971580041 is a prime.

It is not a weakly prime, because it can be changed into another prime (971711173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485855556 + 485855557.

It is an arithmetic number, because the mean of its divisors is an integer number (485855557).

Almost surely, 2^971711113 is an apocalyptic number.

It is an amenable number.

971711113 is a deficient number, since it is larger than the sum of its proper divisors (1).

971711113 is an equidigital number, since it uses as much as digits as its factorization.

971711113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1323, while the sum is 31.

The square root of 971711113 is about 31172.2811645218. The cubic root of 971711113 is about 990.4800287452.

The spelling of 971711113 in words is "nine hundred seventy-one million, seven hundred eleven thousand, one hundred thirteen".