9311671009 has 3 divisors (see below), whose sum is σ = 9311767507. Its totient is φ = 9311574512.

The previous prime is 9311670997. The next prime is 9311671043. The reversal of 9311671009 is 9001761139.

The square root of 9311671009 is 96497.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 386712225 + 8924958784 = 19665^2 + 94472^2 .

It is not a de Polignac number, because 9311671009 - 2¹⁵ = 9311638241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9311671309) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 48249 + ... + 144745.

Almost surely, 2^9311671009 is an apocalyptic number.

9311671009 is the 96497-th square number.

9311671009 is the 48249-th centered octagonal number.

It is an amenable number.

9311671009 is a deficient number, since it is larger than the sum of its proper divisors (96498).

9311671009 is an frugal number, since it uses more digits than its factorization.

9311671009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192994 (or 96497 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 37.

The cubic root of 9311671009 is about 2103.8230441741.

The spelling of 9311671009 in words is "nine billion, three hundred eleven million, six hundred seventy-one thousand, nine".