1303111020109 has 2 divisors, whose sum is σ = 1303111020110. Its totient is φ = 1303111020108.

The previous prime is 1303111019989. The next prime is 1303111020119. The reversal of 1303111020109 is 9010201113031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1269854026884 + 33256993225 = 1126878^2 + 182365^2 .

It is an emirp because it is prime and its reverse (9010201113031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1303111020109 - 2⁹ = 1303111019597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1303111020109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303111020119) 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, 651555510054 + 651555510055.

It is an arithmetic number, because the mean of its divisors is an integer number (651555510055).

Almost surely, 2^{1303111020109} is an apocalyptic number.

It is an amenable number.

1303111020109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303111020109 is an equidigital number, since it uses as much as digits as its factorization.

1303111020109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 22.

The spelling of 1303111020109 in words is "one trillion, three hundred three billion, one hundred eleven million, twenty thousand, one hundred nine".