89133031 has 4 divisors (see below), whose sum is σ = 95989432. Its totient is φ = 82276632.

The previous prime is 89133019. The next prime is 89133041. The reversal of 89133031 is 13033198.

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

It is a cyclic number.

It is not a de Polignac number, because 89133031 - 2⁵ = 89132999 is a prime.

It is a super-2 number, since 2×89133031² = 15889394430493922, 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 (89133041) 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, 3428181 + ... + 3428206.

It is an arithmetic number, because the mean of its divisors is an integer number (23997358).

Almost surely, 2^89133031 is an apocalyptic number.

89133031 is a deficient number, since it is larger than the sum of its proper divisors (6856401).

89133031 is a wasteful number, since it uses less digits than its factorization.

89133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856400.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 89133031 is about 9441.0291282254. The cubic root of 89133031 is about 446.6968518127.

The spelling of 89133031 in words is "eighty-nine million, one hundred thirty-three thousand, thirty-one".