89130431 has 6 divisors (see below), whose sum is σ = 96514200. Its totient is φ = 82274088.

The previous prime is 89130421. The next prime is 89130449. The reversal of 89130431 is 13403198.

It is not a de Polignac number, because 89130431 - 2⁶ = 89130367 is a prime.

It is a super-2 number, since 2×89130431² = 15888467460491522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89130394 and 89130403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89130401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263531 + ... + 263868.

It is an arithmetic number, because the mean of its divisors is an integer number (16085700).

Almost surely, 2^89130431 is an apocalyptic number.

89130431 is a deficient number, since it is larger than the sum of its proper divisors (7383769).

89130431 is a wasteful number, since it uses less digits than its factorization.

89130431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527425 (or 527412 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 89130431 is about 9440.8914303682. The cubic root of 89130431 is about 446.6925084057.

The spelling of 89130431 in words is "eighty-nine million, one hundred thirty thousand, four hundred thirty-one".