971117113 has 16 divisors (see below), whose sum is σ = 1059508800. Its totient is φ = 886576320.

The previous prime is 971117111. The next prime is 971117159. The reversal of 971117113 is 311711179.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 971117113 - 2¹ = 971117111 is a prime.

It is a super-2 number, since 2×971117113² = 1886136894322909538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971117111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352923 + ... + 355663.

It is an arithmetic number, because the mean of its divisors is an integer number (66219300).

Almost surely, 2^971117113 is an apocalyptic number.

It is an amenable number.

971117113 is a deficient number, since it is larger than the sum of its proper divisors (88391687).

971117113 is a wasteful number, since it uses less digits than its factorization.

971117113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432.

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

The square root of 971117113 is about 31162.7520126192. The cubic root of 971117113 is about 990.2781631723.

The spelling of 971117113 in words is "nine hundred seventy-one million, one hundred seventeen thousand, one hundred thirteen".