313312745 has 8 divisors (see below), whose sum is σ = 376105416. Its totient is φ = 250563456.

The previous prime is 313312729. The next prime is 313312751. The reversal of 313312745 is 547213313.

It can be written as a sum of positive squares in 4 ways, for example, as 5345344 + 307967401 = 2312^2 + 17549^2 .

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 313312745 - 2⁴ = 313312729 is a prime.

It is a Duffinian number.

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, 8039 + ... + 26291.

It is an arithmetic number, because the mean of its divisors is an integer number (47013177).

Almost surely, 2^313312745 is an apocalyptic number.

It is an amenable number.

313312745 is a deficient number, since it is larger than the sum of its proper divisors (62792671).

313312745 is a wasteful number, since it uses less digits than its factorization.

313312745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21691.

The product of its digits is 7560, while the sum is 29.

The square root of 313312745 is about 17700.6425024630. The cubic root of 313312745 is about 679.1921960285.

The spelling of 313312745 in words is "three hundred thirteen million, three hundred twelve thousand, seven hundred forty-five".