89500031 has 2 divisors, whose sum is σ = 89500032. Its totient is φ = 89500030.

The previous prime is 89500027. The next prime is 89500063. The reversal of 89500031 is 13000598.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89500031 - 2² = 89500027 is a prime.

It is a super-2 number, since 2×89500031² = 16020511098001922, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89500331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44750015 + 44750016.

It is an arithmetic number, because the mean of its divisors is an integer number (44750016).

Almost surely, 2^89500031 is an apocalyptic number.

89500031 is a deficient number, since it is larger than the sum of its proper divisors (1).

89500031 is an equidigital number, since it uses as much as digits as its factorization.

89500031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 89500031 is about 9460.4456026130. The cubic root of 89500031 is about 447.3090949386.

The spelling of 89500031 in words is "eighty-nine million, five hundred thousand, thirty-one".