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312336313 = 714399103
BaseRepresentation
bin10010100111011…
…101111110111001
3210202201022212121
4102213131332321
51114424230223
650554241241
710511546332
oct2247357671
9722638777
10312336313
1115033a993
1288726221
134c929bb3
142d6a5289
151c64915d
hex129ddfb9

312336313 has 4 divisors (see below), whose sum is σ = 316735488. Its totient is φ = 307937140.

The previous prime is 312336289. The next prime is 312336329. The reversal of 312336313 is 313633213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313633213 = 761412133.

It is a cyclic number.

It is not a de Polignac number, because 312336313 - 25 = 312336281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312330313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2199481 + ... + 2199622.

It is an arithmetic number, because the mean of its divisors is an integer number (79183872).

Almost surely, 2312336313 is an apocalyptic number.

It is an amenable number.

312336313 is a deficient number, since it is larger than the sum of its proper divisors (4399175).

312336313 is an equidigital number, since it uses as much as digits as its factorization.

312336313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399174.

The product of its digits is 2916, while the sum is 25.

The square root of 312336313 is about 17673.0391557310. The cubic root of 312336313 is about 678.4858994884.

Adding to 312336313 its reverse (313633213), we get a palindrome (625969526).

The spelling of 312336313 in words is "three hundred twelve million, three hundred thirty-six thousand, three hundred thirteen".

Divisors: 1 71 4399103 312336313