89318311 has 2 divisors, whose sum is σ = 89318312. Its totient is φ = 89318310.

The previous prime is 89318309. The next prime is 89318321. The reversal of 89318311 is 11381398.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89318311 - 2¹ = 89318309 is a prime.

Together with 89318309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89318321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44659155 + 44659156.

It is an arithmetic number, because the mean of its divisors is an integer number (44659156).

Almost surely, 2^89318311 is an apocalyptic number.

89318311 is a deficient number, since it is larger than the sum of its proper divisors (1).

89318311 is an equidigital number, since it uses as much as digits as its factorization.

89318311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 34.

The square root of 89318311 is about 9450.8365238216. The cubic root of 89318311 is about 447.0061524577.

The spelling of 89318311 in words is "eighty-nine million, three hundred eighteen thousand, three hundred eleven".