1313102209 has 2 divisors, whose sum is σ = 1313102210. Its totient is φ = 1313102208.

The previous prime is 1313102201. The next prime is 1313102221. The reversal of 1313102209 is 9022013131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1279635984 + 33466225 = 35772^2 + 5785^2 .

It is an emirp because it is prime and its reverse (9022013131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313102209 - 2³ = 1313102201 is a prime.

It is a super-2 number, since 2×1313102209² = 3448474822561359362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1313102209.

It is not a weakly prime, because it can be changed into another prime (1313102201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656551104 + 656551105.

It is an arithmetic number, because the mean of its divisors is an integer number (656551105).

Almost surely, 2^1313102209 is an apocalyptic number.

It is an amenable number.

1313102209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313102209 is an equidigital number, since it uses as much as digits as its factorization.

1313102209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1313102209 is about 36236.7521861438. The cubic root of 1313102209 is about 1095.0472124372.

The spelling of 1313102209 in words is "one billion, three hundred thirteen million, one hundred two thousand, two hundred nine".