1323315315 has 108 divisors (see below), whose sum is σ = 2749335264. Its totient is φ = 586833408.

The previous prime is 1323315283. The next prime is 1323315349. The reversal of 1323315315 is 5135133231.

1323315315 is a `hidden beast` number, since 1 + 32 + 3 + 315 + 315 = 666.

It is not a de Polignac number, because 1323315315 - 2⁵ = 1323315283 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 11710699 + ... + 11710811.

It is an arithmetic number, because the mean of its divisors is an integer number (25456808).

Almost surely, 2^1323315315 is an apocalyptic number.

1323315315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1323315315 is an abundant number, since it is smaller than the sum of its proper divisors (1426019949).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323315315 is a wasteful number, since it uses less digits than its factorization.

1323315315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 175 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 1323315315 is about 36377.4011578617. The cubic root of 1323315315 is about 1097.8789195319.

Adding to 1323315315 its reverse (5135133231), we get a palindrome (6458448546).

The spelling of 1323315315 in words is "one billion, three hundred twenty-three million, three hundred fifteen thousand, three hundred fifteen".