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313346213 = 2931069441
BaseRepresentation
bin10010101011010…
…100100010100101
3210211121122012022
4102223110202211
51120204034323
651032032525
710523253545
oct2253244245
9724548168
10313346213
1115096a714
1288b32745
134cbc177b
142d889325
151c7984c8
hex12ad48a5

313346213 has 4 divisors (see below), whose sum is σ = 314415948. Its totient is φ = 312276480.

The previous prime is 313346207. The next prime is 313346237. The reversal of 313346213 is 312643313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141657604 + 171688609 = 11902^2 + 13103^2 .

It is a cyclic number.

It is not a de Polignac number, because 313346213 - 214 = 313329829 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 (313346713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 534428 + ... + 535013.

It is an arithmetic number, because the mean of its divisors is an integer number (78603987).

Almost surely, 2313346213 is an apocalyptic number.

It is an amenable number.

313346213 is a deficient number, since it is larger than the sum of its proper divisors (1069735).

313346213 is a wasteful number, since it uses less digits than its factorization.

313346213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069734.

The product of its digits is 3888, while the sum is 26.

The square root of 313346213 is about 17701.5878666294. The cubic root of 313346213 is about 679.2163788889.

Adding to 313346213 its reverse (312643313), we get a palindrome (625989526).

The spelling of 313346213 in words is "three hundred thirteen million, three hundred forty-six thousand, two hundred thirteen".

Divisors: 1 293 1069441 313346213