1315326216 has 16 divisors (see below), whose sum is σ = 3288315600. Its totient is φ = 438442064.

The previous prime is 1315326211. The next prime is 1315326247. The reversal of 1315326216 is 6126235131.

It is not an unprimeable number, because it can be changed into a prime (1315326211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27402606 + ... + 27402653.

It is an arithmetic number, because the mean of its divisors is an integer number (205519725).

Almost surely, 2^1315326216 is an apocalyptic number.

It is an amenable number.

1315326216 is an abundant number, since it is smaller than the sum of its proper divisors (1972989384).

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

1315326216 is a wasteful number, since it uses less digits than its factorization.

1315326216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54805268 (or 54805264 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 1315326216 is about 36267.4263768468. The cubic root of 1315326216 is about 1095.6650924967.

The spelling of 1315326216 in words is "one billion, three hundred fifteen million, three hundred twenty-six thousand, two hundred sixteen".