313320515 has 8 divisors (see below), whose sum is σ = 381280608. Its totient is φ = 247125760.

The previous prime is 313320509. The next prime is 313320521. The reversal of 313320515 is 515023313.

It is an interprime number because it is at equal distance from previous prime (313320509) and next prime (313320521).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313320515 - 2¹⁰ = 313319491 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 440942 + ... + 441651.

It is an arithmetic number, because the mean of its divisors is an integer number (47660076).

Almost surely, 2^313320515 is an apocalyptic number.

313320515 is a deficient number, since it is larger than the sum of its proper divisors (67960093).

313320515 is an equidigital number, since it uses as much as digits as its factorization.

313320515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882669.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 313320515 is about 17700.8619846605. The cubic root of 313320515 is about 679.1978105248.

Adding to 313320515 its reverse (515023313), we get a palindrome (828343828).

The spelling of 313320515 in words is "three hundred thirteen million, three hundred twenty thousand, five hundred fifteen".