320344334311 has 2 divisors, whose sum is σ = 320344334312. Its totient is φ = 320344334310.

The previous prime is 320344334263. The next prime is 320344334329. The reversal of 320344334311 is 113433443023.

It is a strong prime.

It is an emirp because it is prime and its reverse (113433443023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320344334311 - 2⁷ = 320344334183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320344334111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160172167155 + 160172167156.

It is an arithmetic number, because the mean of its divisors is an integer number (160172167156).

Almost surely, 2^320344334311 is an apocalyptic number.

320344334311 is a deficient number, since it is larger than the sum of its proper divisors (1).

320344334311 is an equidigital number, since it uses as much as digits as its factorization.

320344334311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 320344334311 its reverse (113433443023), we get a palindrome (433777777334).

The spelling of 320344334311 in words is "three hundred twenty billion, three hundred forty-four million, three hundred thirty-four thousand, three hundred eleven".