320699411 has 2 divisors, whose sum is σ = 320699412. Its totient is φ = 320699410.

The previous prime is 320699389. The next prime is 320699413. The reversal of 320699411 is 114996023.

It is a strong prime.

It is an emirp because it is prime and its reverse (114996023) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320699411 is a prime.

It is a super-2 number, since 2×320699411² = 205696224431493842, which contains 22 as substring.

Together with 320699413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320699413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160349705 + 160349706.

It is an arithmetic number, because the mean of its divisors is an integer number (160349706).

Almost surely, 2^320699411 is an apocalyptic number.

320699411 is a deficient number, since it is larger than the sum of its proper divisors (1).

320699411 is an equidigital number, since it uses as much as digits as its factorization.

320699411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 320699411 is about 17908.0822814728. The cubic root of 320699411 is about 684.4883393837.

The spelling of 320699411 in words is "three hundred twenty million, six hundred ninety-nine thousand, four hundred eleven".