313420005 has 24 divisors (see below), whose sum is σ = 553515768. Its totient is φ = 164002176.

The previous prime is 313419983. The next prime is 313420021. The reversal of 313420005 is 500024313.

It can be written as a sum of positive squares in 4 ways, for example, as 121154049 + 192265956 = 11007^2 + 13866^2 .

It is not a de Polignac number, because 313420005 - 2¹² = 313415909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313420005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63322 + ... + 68091.

It is an arithmetic number, because the mean of its divisors is an integer number (23063157).

Almost surely, 2^313420005 is an apocalyptic number.

It is an amenable number.

313420005 is a deficient number, since it is larger than the sum of its proper divisors (240095763).

313420005 is a wasteful number, since it uses less digits than its factorization.

313420005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131477 (or 131474 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 313420005 is about 17703.6720767190. The cubic root of 313420005 is about 679.2696924433.

Adding to 313420005 its reverse (500024313), we get a palindrome (813444318).

The spelling of 313420005 in words is "three hundred thirteen million, four hundred twenty thousand, five".