8971802131 has 4 divisors (see below), whose sum is σ = 8985669552. Its totient is φ = 8957934712.

The previous prime is 8971802117. The next prime is 8971802141. The reversal of 8971802131 is 1312081798.

8971802131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8971802131 is a prime.

It is a super-2 number, since 2×8971802131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8971802111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6932740 + ... + 6934033.

It is an arithmetic number, because the mean of its divisors is an integer number (2246417388).

Almost surely, 2^8971802131 is an apocalyptic number.

8971802131 is a deficient number, since it is larger than the sum of its proper divisors (13867421).

8971802131 is a wasteful number, since it uses less digits than its factorization.

8971802131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13867420.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 8971802131 is about 94719.5973967373. The cubic root of 8971802131 is about 2077.9091825282.

The spelling of 8971802131 in words is "eight billion, nine hundred seventy-one million, eight hundred two thousand, one hundred thirty-one".