971711101 has 2 divisors, whose sum is σ = 971711102. Its totient is φ = 971711100.

The previous prime is 971711093. The next prime is 971711113. The reversal of 971711101 is 101117179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580858201 + 390852900 = 24101^2 + 19770^2 .

It is a cyclic number.

It is not a de Polignac number, because 971711101 - 2³ = 971711093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 971711101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971711141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485855550 + 485855551.

It is an arithmetic number, because the mean of its divisors is an integer number (485855551).

Almost surely, 2^971711101 is an apocalyptic number.

It is an amenable number.

971711101 is a deficient number, since it is larger than the sum of its proper divisors (1).

971711101 is an equidigital number, since it uses as much as digits as its factorization.

971711101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441, while the sum is 28.

The square root of 971711101 is about 31172.2809720431. The cubic root of 971711101 is about 990.4800246679.

The spelling of 971711101 in words is "nine hundred seventy-one million, seven hundred eleven thousand, one hundred one".