320311121113057 has 2 divisors, whose sum is σ = 320311121113058. Its totient is φ = 320311121113056.

The previous prime is 320311121113021. The next prime is 320311121113111. The reversal of 320311121113057 is 750311121113023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316385337626176 + 3925783486881 = 17787224^2 + 1981359^2 .

It is a cyclic number.

It is not a de Polignac number, because 320311121113057 - 2⁷ = 320311121112929 is a prime.

It is not a weakly prime, because it can be changed into another prime (320311121113657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160155560556528 + 160155560556529.

It is an arithmetic number, because the mean of its divisors is an integer number (160155560556529).

Almost surely, 2^{320311121113057} is an apocalyptic number.

It is an amenable number.

320311121113057 is a deficient number, since it is larger than the sum of its proper divisors (1).

320311121113057 is an equidigital number, since it uses as much as digits as its factorization.

320311121113057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The spelling of 320311121113057 in words is "three hundred twenty trillion, three hundred eleven billion, one hundred twenty-one million, one hundred thirteen thousand, fifty-seven".