320112999277 has 2 divisors, whose sum is σ = 320112999278. Its totient is φ = 320112999276.

The previous prime is 320112999223. The next prime is 320112999287. The reversal of 320112999277 is 772999211023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307454724196 + 12658275081 = 554486^2 + 112509^2 .

It is a cyclic number.

It is not a de Polignac number, because 320112999277 - 2²³ = 320104610669 is a prime.

It is a super-2 number, since 2×320112999277² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320112999287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160056499638 + 160056499639.

It is an arithmetic number, because the mean of its divisors is an integer number (160056499639).

Almost surely, 2^320112999277 is an apocalyptic number.

It is an amenable number.

320112999277 is a deficient number, since it is larger than the sum of its proper divisors (1).

320112999277 is an equidigital number, since it uses as much as digits as its factorization.

320112999277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 52.

The spelling of 320112999277 in words is "three hundred twenty billion, one hundred twelve million, nine hundred ninety-nine thousand, two hundred seventy-seven".