89131319 has 4 divisors (see below), whose sum is σ = 90813096. Its totient is φ = 87449544.

The previous prime is 89131313. The next prime is 89131327. The reversal of 89131319 is 91313198.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89131319 is a prime.

It is a super-2 number, since 2×89131319² = 15888784053359522, 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 (89131313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840809 + ... + 840914.

It is an arithmetic number, because the mean of its divisors is an integer number (22703274).

Almost surely, 2^89131319 is an apocalyptic number.

89131319 is a deficient number, since it is larger than the sum of its proper divisors (1681777).

89131319 is a wasteful number, since it uses less digits than its factorization.

89131319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681776.

The product of its digits is 5832, while the sum is 35.

The square root of 89131319 is about 9440.9384597083. The cubic root of 89131319 is about 446.6939918557.

The spelling of 89131319 in words is "eighty-nine million, one hundred thirty-one thousand, three hundred nineteen".