1302311122309 has 2 divisors, whose sum is σ = 1302311122310. Its totient is φ = 1302311122308.

The previous prime is 1302311122303. The next prime is 1302311122393. The reversal of 1302311122309 is 9032211132031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1243887398209 + 58423724100 = 1115297^2 + 241710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302311122309 - 2¹⁷ = 1302310991237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302311122303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651155561154 + 651155561155.

It is an arithmetic number, because the mean of its divisors is an integer number (651155561155).

Almost surely, 2^{1302311122309} is an apocalyptic number.

It is an amenable number.

1302311122309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302311122309 is an equidigital number, since it uses as much as digits as its factorization.

1302311122309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 1302311122309 in words is "one trillion, three hundred two billion, three hundred eleven million, one hundred twenty-two thousand, three hundred nine".