313284145 has 8 divisors (see below), whose sum is σ = 376134120. Its totient is φ = 250498560.

The previous prime is 313284133. The next prime is 313284193. The reversal of 313284145 is 541482313.

It can be written as a sum of positive squares in 4 ways, for example, as 10837264 + 302446881 = 3292^2 + 17391^2 .

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

It is not a de Polignac number, because 313284145 - 2⁷ = 313284017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4650 + ... + 25459.

It is an arithmetic number, because the mean of its divisors is an integer number (47016765).

Almost surely, 2^313284145 is an apocalyptic number.

It is an amenable number.

313284145 is a deficient number, since it is larger than the sum of its proper divisors (62849975).

313284145 is a wasteful number, since it uses less digits than its factorization.

313284145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32195.

The product of its digits is 11520, while the sum is 31.

The square root of 313284145 is about 17699.8346037470. The cubic root of 313284145 is about 679.1715292579.

The spelling of 313284145 in words is "three hundred thirteen million, two hundred eighty-four thousand, one hundred forty-five".