1313104015 has 4 divisors (see below), whose sum is σ = 1575724824. Its totient is φ = 1050483208.

The previous prime is 1313103997. The next prime is 1313104027. The reversal of 1313104015 is 5104013131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313104015 - 2²¹ = 1311006863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313103983 and 1313104001.

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 in 3 ways as a sum of consecutive naturals, for example, 131310397 + ... + 131310406.

It is an arithmetic number, because the mean of its divisors is an integer number (393931206).

Almost surely, 2^1313104015 is an apocalyptic number.

1313104015 is a deficient number, since it is larger than the sum of its proper divisors (262620809).

1313104015 is an equidigital number, since it uses as much as digits as its factorization.

1313104015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262620808.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1313104015 is about 36236.7771055871. Note that the first 3 decimals coincide. The cubic root of 1313104015 is about 1095.0477144683.

Adding to 1313104015 its reverse (5104013131), we get a palindrome (6417117146).

The spelling of 1313104015 in words is "one billion, three hundred thirteen million, one hundred four thousand, fifteen".