313305400515 has 32 divisors (see below), whose sum is σ = 517926689280. Its totient is φ = 161625655296.

The previous prime is 313305400433. The next prime is 313305400517. The reversal of 313305400515 is 515004503313.

It is not a de Polignac number, because 313305400515 - 2¹⁵ = 313305367747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313305400517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2291550 + ... + 2424419.

It is an arithmetic number, because the mean of its divisors is an integer number (16185209040).

Almost surely, 2^313305400515 is an apocalyptic number.

313305400515 is a deficient number, since it is larger than the sum of its proper divisors (204621288765).

313305400515 is a wasteful number, since it uses less digits than its factorization.

313305400515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716123.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 313305400515 its reverse (515004503313), we get a palindrome (828309903828).

The spelling of 313305400515 in words is "three hundred thirteen billion, three hundred five million, four hundred thousand, five hundred fifteen".