89807031 has 12 divisors (see below), whose sum is σ = 133906240. Its totient is φ = 57939840.

The previous prime is 89807021. The next prime is 89807057. The reversal of 89807031 is 13070898.

It is not a de Polignac number, because 89807031 - 2⁶ = 89806967 is a prime.

It is a super-2 number, since 2×89807031² = 16130605634069922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89807021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160666 + ... + 161223.

Almost surely, 2^89807031 is an apocalyptic number.

89807031 is a deficient number, since it is larger than the sum of its proper divisors (44099209).

89807031 is a wasteful number, since it uses less digits than its factorization.

89807031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321926 (or 321923 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 89807031 is about 9476.6571637893. The cubic root of 89807031 is about 447.8199594770.

The spelling of 89807031 in words is "eighty-nine million, eight hundred seven thousand, thirty-one".