313016505 has 8 divisors (see below), whose sum is σ = 500826432. Its totient is φ = 166942128.

The previous prime is 313016503. The next prime is 313016533. The reversal of 313016505 is 505610313.

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

It is not a de Polignac number, because 313016505 - 2¹ = 313016503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313016503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10433869 + ... + 10433898.

It is an arithmetic number, because the mean of its divisors is an integer number (62603304).

Almost surely, 2^313016505 is an apocalyptic number.

It is an amenable number.

313016505 is a deficient number, since it is larger than the sum of its proper divisors (187809927).

313016505 is a wasteful number, since it uses less digits than its factorization.

313016505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20867775.

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

The square root of 313016505 is about 17692.2724656840. The cubic root of 313016505 is about 678.9780677642.

Adding to 313016505 its reverse (505610313), we get a palindrome (818626818).

The spelling of 313016505 in words is "three hundred thirteen million, sixteen thousand, five hundred five".