89317566031 has 2 divisors, whose sum is σ = 89317566032. Its totient is φ = 89317566030.

The previous prime is 89317565951. The next prime is 89317566047. The reversal of 89317566031 is 13066571398.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89317566031 - 2³⁵ = 54957827663 is a prime.

It is a super-2 number, since 2×89317566031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89317566131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44658783015 + 44658783016.

It is an arithmetic number, because the mean of its divisors is an integer number (44658783016).

Almost surely, 2^89317566031 is an apocalyptic number.

89317566031 is a deficient number, since it is larger than the sum of its proper divisors (1).

89317566031 is an equidigital number, since it uses as much as digits as its factorization.

89317566031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 89317566031 in words is "eighty-nine billion, three hundred seventeen million, five hundred sixty-six thousand, thirty-one".