1315121314 has 16 divisors (see below), whose sum is σ = 2140649280. Its totient is φ = 602344080.

The previous prime is 1315121299. The next prime is 1315121317. The reversal of 1315121314 is 4131215131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1315121317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189654 + ... + 196465.

It is an arithmetic number, because the mean of its divisors is an integer number (133790580).

Almost surely, 2^1315121314 is an apocalyptic number.

1315121314 is a deficient number, since it is larger than the sum of its proper divisors (825527966).

1315121314 is a wasteful number, since it uses less digits than its factorization.

1315121314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386265.

The product of its digits is 360, while the sum is 22.

The square root of 1315121314 is about 36264.6013903366. The cubic root of 1315121314 is about 1095.6081951722.

Adding to 1315121314 its reverse (4131215131), we get a palindrome (5446336445).

The spelling of 1315121314 in words is "one billion, three hundred fifteen million, one hundred twenty-one thousand, three hundred fourteen".