315370580209 has 2 divisors, whose sum is σ = 315370580210. Its totient is φ = 315370580208.

The previous prime is 315370580207. The next prime is 315370580227. The reversal of 315370580209 is 902085073513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290275267984 + 25095312225 = 538772^2 + 158415^2 .

It is a cyclic number.

It is not a de Polignac number, because 315370580209 - 2¹ = 315370580207 is a prime.

It is a super-2 number, since 2×315370580209² (a number of 24 digits) contains 22 as substring.

Together with 315370580207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (315370580207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157685290104 + 157685290105.

It is an arithmetic number, because the mean of its divisors is an integer number (157685290105).

Almost surely, 2^315370580209 is an apocalyptic number.

It is an amenable number.

315370580209 is a deficient number, since it is larger than the sum of its proper divisors (1).

315370580209 is an equidigital number, since it uses as much as digits as its factorization.

315370580209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 315370580209 in words is "three hundred fifteen billion, three hundred seventy million, five hundred eighty thousand, two hundred nine".