313040005 has 8 divisors (see below), whose sum is σ = 391980672. Its totient is φ = 239543568.

The previous prime is 313039963. The next prime is 313040009. The reversal of 313040005 is 500040313.

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

It is a cyclic number.

It is not a de Polignac number, because 313040005 - 2¹³ = 313031813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313040009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360929 + ... + 1361158.

It is an arithmetic number, because the mean of its divisors is an integer number (48997584).

Almost surely, 2^313040005 is an apocalyptic number.

It is an amenable number.

313040005 is a deficient number, since it is larger than the sum of its proper divisors (78940667).

313040005 is a wasteful number, since it uses less digits than its factorization.

313040005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722115.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 313040005 is about 17692.9365849765. The cubic root of 313040005 is about 678.9950589718.

Adding to 313040005 its reverse (500040313), we get a palindrome (813080318).

The spelling of 313040005 in words is "three hundred thirteen million, forty thousand, five".