1030311312109 has 2 divisors, whose sum is σ = 1030311312110. Its totient is φ = 1030311312108.

The previous prime is 1030311312061. The next prime is 1030311312167. The reversal of 1030311312109 is 9012131130301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 909120296484 + 121191015625 = 953478^2 + 348125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030311312109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030311312169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515155656054 + 515155656055.

It is an arithmetic number, because the mean of its divisors is an integer number (515155656055).

Almost surely, 2^{1030311312109} is an apocalyptic number.

It is an amenable number.

1030311312109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030311312109 is an equidigital number, since it uses as much as digits as its factorization.

1030311312109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The spelling of 1030311312109 in words is "one trillion, thirty billion, three hundred eleven million, three hundred twelve thousand, one hundred nine".