313408265 has 8 divisors (see below), whose sum is σ = 376193160. Its totient is φ = 250657792.

The previous prime is 313408213. The next prime is 313408279. The reversal of 313408265 is 562804313.

It can be written as a sum of positive squares in 4 ways, for example, as 23319241 + 290089024 = 4829^2 + 17032^2 .

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 313408265 - 2⁸ = 313408009 is a prime.

It is a super-3 number, since 3×313408265³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20201 + ... + 32169.

It is an arithmetic number, because the mean of its divisors is an integer number (47024145).

Almost surely, 2^313408265 is an apocalyptic number.

It is an amenable number.

313408265 is a deficient number, since it is larger than the sum of its proper divisors (62784895).

313408265 is a wasteful number, since it uses less digits than its factorization.

313408265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17211.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 313408265 is about 17703.3405039840. The cubic root of 313408265 is about 679.2612110385.

The spelling of 313408265 in words is "three hundred thirteen million, four hundred eight thousand, two hundred sixty-five".