1315324193 has 2 divisors, whose sum is σ = 1315324194. Its totient is φ = 1315324192.

The previous prime is 1315324183. The next prime is 1315324223. The reversal of 1315324193 is 3914235131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1127414929 + 187909264 = 33577^2 + 13708^2 .

It is an emirp because it is prime and its reverse (3914235131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1315324193 - 2¹⁰ = 1315323169 is a prime.

It is a super-2 number, since 2×1315324193² = 3460155465382202498, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1315324163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657662096 + 657662097.

It is an arithmetic number, because the mean of its divisors is an integer number (657662097).

Almost surely, 2^1315324193 is an apocalyptic number.

It is an amenable number.

1315324193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315324193 is an equidigital number, since it uses as much as digits as its factorization.

1315324193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 32.

The square root of 1315324193 is about 36267.3984867953. The cubic root of 1315324193 is about 1095.6645307776.

The spelling of 1315324193 in words is "one billion, three hundred fifteen million, three hundred twenty-four thousand, one hundred ninety-three".