1313884318 has 4 divisors (see below), whose sum is σ = 1970826480. Its totient is φ = 656942158.

The previous prime is 1313884277. The next prime is 1313884339. The reversal of 1313884318 is 8134883131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8134883131 = 197 ⋅41293823.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 328471078 + ... + 328471081.

It is an arithmetic number, because the mean of its divisors is an integer number (492706620).

Almost surely, 2^1313884318 is an apocalyptic number.

1313884318 is a deficient number, since it is larger than the sum of its proper divisors (656942162).

1313884318 is an equidigital number, since it uses as much as digits as its factorization.

1313884318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656942161.

The product of its digits is 55296, while the sum is 40.

The square root of 1313884318 is about 36247.5422339226. The cubic root of 1313884318 is about 1095.2645796998.

The spelling of 1313884318 in words is "one billion, three hundred thirteen million, eight hundred eighty-four thousand, three hundred eighteen".