989275131 has 36 divisors (see below), whose sum is σ = 1597317696. Its totient is φ = 589118400.

The previous prime is 989275127. The next prime is 989275159. The reversal of 989275131 is 131572989.

It is not a de Polignac number, because 989275131 - 2² = 989275127 is a prime.

It is a super-2 number, since 2×989275131² = 1957330569630134322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (989275121) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36661 + ... + 57641.

It is an arithmetic number, because the mean of its divisors is an integer number (44369936).

Almost surely, 2^989275131 is an apocalyptic number.

989275131 is a deficient number, since it is larger than the sum of its proper divisors (608042565).

989275131 is a wasteful number, since it uses less digits than its factorization.

989275131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21044 (or 21028 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 989275131 is about 31452.7444112593. The cubic root of 989275131 is about 996.4121866567.

The spelling of 989275131 in words is "nine hundred eighty-nine million, two hundred seventy-five thousand, one hundred thirty-one".