1031300009 has 2 divisors, whose sum is σ = 1031300010. Its totient is φ = 1031300008.

The previous prime is 1031299987. The next prime is 1031300029. The reversal of 1031300009 is 9000031301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 936666025 + 94633984 = 30605^2 + 9728^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031300009 - 2²⁰ = 1030251433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031300009.

It is not a weakly prime, because it can be changed into another prime (1031300029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515650004 + 515650005.

It is an arithmetic number, because the mean of its divisors is an integer number (515650005).

Almost surely, 2^1031300009 is an apocalyptic number.

It is an amenable number.

1031300009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031300009 is an equidigital number, since it uses as much as digits as its factorization.

1031300009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1031300009 is about 32113.8600762973. The cubic root of 1031300009 is about 1010.3263360732.

The spelling of 1031300009 in words is "one billion, thirty-one million, three hundred thousand, nine".