320111053349 has 2 divisors, whose sum is σ = 320111053350. Its totient is φ = 320111053348.

The previous prime is 320111053331. The next prime is 320111053351. The reversal of 320111053349 is 943350111023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316526636449 + 3584416900 = 562607^2 + 59870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320111053349 is a prime.

Together with 320111053351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320111053849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160055526674 + 160055526675.

It is an arithmetic number, because the mean of its divisors is an integer number (160055526675).

Almost surely, 2^320111053349 is an apocalyptic number.

It is an amenable number.

320111053349 is a deficient number, since it is larger than the sum of its proper divisors (1).

320111053349 is an equidigital number, since it uses as much as digits as its factorization.

320111053349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 320111053349 in words is "three hundred twenty billion, one hundred eleven million, fifty-three thousand, three hundred forty-nine".