3130320209 has 2 divisors, whose sum is σ = 3130320210. Its totient is φ = 3130320208.

The previous prime is 3130320191. The next prime is 3130320223. The reversal of 3130320209 is 9020230313.

3130320209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3074369809 + 55950400 = 55447^2 + 7480^2 .

It is an emirp because it is prime and its reverse (9020230313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3130320209 is a prime.

It is a super-2 number, since 2×3130320209² = 19597809221747607362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3130320229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565160104 + 1565160105.

It is an arithmetic number, because the mean of its divisors is an integer number (1565160105).

Almost surely, 2^3130320209 is an apocalyptic number.

It is an amenable number.

3130320209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130320209 is an equidigital number, since it uses as much as digits as its factorization.

3130320209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 3130320209 is about 55949.2645974905. The cubic root of 3130320209 is about 1462.8380726131.

The spelling of 3130320209 in words is "three billion, one hundred thirty million, three hundred twenty thousand, two hundred nine".