1315312322 has 8 divisors (see below), whose sum is σ = 1975220796. Its totient is φ = 656905392.

The previous prime is 1315312303. The next prime is 1315312331. The reversal of 1315312322 is 2232135131.

It can be written as a sum of positive squares in 2 ways, for example, as 1302560281 + 12752041 = 36091^2 + 3571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 373193 + ... + 376700.

Almost surely, 2^1315312322 is an apocalyptic number.

1315312322 is a deficient number, since it is larger than the sum of its proper divisors (659908474).

1315312322 is an equidigital number, since it uses as much as digits as its factorization.

1315312322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750772.

The product of its digits is 1080, while the sum is 23.

The square root of 1315312322 is about 36267.2348270446. The cubic root of 1315312322 is about 1095.6612345882.

Adding to 1315312322 its reverse (2232135131), we get a palindrome (3547447453).

The spelling of 1315312322 in words is "one billion, three hundred fifteen million, three hundred twelve thousand, three hundred twenty-two".