320140143017 has 2 divisors, whose sum is σ = 320140143018. Its totient is φ = 320140143016.

The previous prime is 320140143013. The next prime is 320140143053. The reversal of 320140143017 is 710341041023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319591224976 + 548918041 = 565324^2 + 23429^2 .

It is a cyclic number.

It is not a de Polignac number, because 320140143017 - 2² = 320140143013 is a prime.

It is a super-2 number, since 2×320140143017² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320140143013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160070071508 + 160070071509.

It is an arithmetic number, because the mean of its divisors is an integer number (160070071509).

Almost surely, 2^320140143017 is an apocalyptic number.

It is an amenable number.

320140143017 is a deficient number, since it is larger than the sum of its proper divisors (1).

320140143017 is an equidigital number, since it uses as much as digits as its factorization.

320140143017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 320140143017 in words is "three hundred twenty billion, one hundred forty million, one hundred forty-three thousand, seventeen".