1312020303277 has 2 divisors, whose sum is σ = 1312020303278. Its totient is φ = 1312020303276.

The previous prime is 1312020303229. The next prime is 1312020303337. The reversal of 1312020303277 is 7723030202131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1114736867721 + 197283435556 = 1055811^2 + 444166^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312020303277 - 2⁷ = 1312020303149 is a prime.

It is a super-2 number, since 2×1312020303277² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312020303977) 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, 656010151638 + 656010151639.

It is an arithmetic number, because the mean of its divisors is an integer number (656010151639).

Almost surely, 2^{1312020303277} is an apocalyptic number.

It is an amenable number.

1312020303277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312020303277 is an equidigital number, since it uses as much as digits as its factorization.

1312020303277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The spelling of 1312020303277 in words is "one trillion, three hundred twelve billion, twenty million, three hundred three thousand, two hundred seventy-seven".