320494711 has 2 divisors, whose sum is σ = 320494712. Its totient is φ = 320494710.

The previous prime is 320494687. The next prime is 320494723. The reversal of 320494711 is 117494023.

It is a strong prime.

It is an emirp because it is prime and its reverse (117494023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320494711 - 2⁹ = 320494199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320494511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160247355 + 160247356.

It is an arithmetic number, because the mean of its divisors is an integer number (160247356).

Almost surely, 2^320494711 is an apocalyptic number.

320494711 is a deficient number, since it is larger than the sum of its proper divisors (1).

320494711 is an equidigital number, since it uses as much as digits as its factorization.

320494711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 320494711 is about 17902.3660726732. The cubic root of 320494711 is about 684.3426738163.

The spelling of 320494711 in words is "three hundred twenty million, four hundred ninety-four thousand, seven hundred eleven".