889431131 has 8 divisors (see below), whose sum is σ = 925246800. Its totient is φ = 853958560.

The previous prime is 889431119. The next prime is 889431157. The reversal of 889431131 is 131134988.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 889431131 - 2¹⁰ = 889430107 is a prime.

It is a super-2 number, since 2×889431131² = 1582175473583878322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889431161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80480 + ... + 90861.

It is an arithmetic number, because the mean of its divisors is an integer number (115655850).

Almost surely, 2^889431131 is an apocalyptic number.

889431131 is a deficient number, since it is larger than the sum of its proper divisors (35815669).

889431131 is a wasteful number, since it uses less digits than its factorization.

889431131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171549.

The product of its digits is 20736, while the sum is 38.

The square root of 889431131 is about 29823.3319902388. The cubic root of 889431131 is about 961.6951859091.

The spelling of 889431131 in words is "eight hundred eighty-nine million, four hundred thirty-one thousand, one hundred thirty-one".