313312010505 has 64 divisors (see below), whose sum is σ = 571838496768. Its totient is φ = 145116426240.

The previous prime is 313312010503. The next prime is 313312010507. The reversal of 313312010505 is 505010213313.

It is an interprime number because it is at equal distance from previous prime (313312010503) and next prime (313312010507).

It is not a de Polignac number, because 313312010505 - 2¹ = 313312010503 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313312010503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9255160 + ... + 9288950.

It is an arithmetic number, because the mean of its divisors is an integer number (8934976512).

Almost surely, 2^313312010505 is an apocalyptic number.

It is an amenable number.

313312010505 is a deficient number, since it is larger than the sum of its proper divisors (258526486263).

313312010505 is a wasteful number, since it uses less digits than its factorization.

313312010505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36626.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 313312010505 its reverse (505010213313), we get a palindrome (818322223818).

The spelling of 313312010505 in words is "three hundred thirteen billion, three hundred twelve million, ten thousand, five hundred five".