981322711 has 2 divisors, whose sum is σ = 981322712. Its totient is φ = 981322710.

The previous prime is 981322709. The next prime is 981322717. The reversal of 981322711 is 117223189.

It is a weak prime.

It is an emirp because it is prime and its reverse (117223189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 981322711 - 2¹ = 981322709 is a prime.

Together with 981322709, 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 (981322717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490661355 + 490661356.

It is an arithmetic number, because the mean of its divisors is an integer number (490661356).

Almost surely, 2^981322711 is an apocalyptic number.

981322711 is a deficient number, since it is larger than the sum of its proper divisors (1).

981322711 is an equidigital number, since it uses as much as digits as its factorization.

981322711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 34.

The square root of 981322711 is about 31326.0707877640. The cubic root of 981322711 is about 993.7350696121.

The spelling of 981322711 in words is "nine hundred eighty-one million, three hundred twenty-two thousand, seven hundred eleven".