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313002223 = 641488303
BaseRepresentation
bin10010101010000…
…000100011101111
3210210222011022221
4102222000203233
51120112032343
651020420211
710520321632
oct2252004357
9723864287
10313002223
11150755226
12889a7667
134cb01021
142d7d9c19
151c72b5ed
hex12a808ef

313002223 has 4 divisors (see below), whose sum is σ = 313491168. Its totient is φ = 312513280.

The previous prime is 313002211. The next prime is 313002227. The reversal of 313002223 is 322200313.

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

It is a cyclic number.

It is not a de Polignac number, because 313002223 - 221 = 310905071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313002197 and 313002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313002227) 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, 243511 + ... + 244792.

It is an arithmetic number, because the mean of its divisors is an integer number (78372792).

Almost surely, 2313002223 is an apocalyptic number.

313002223 is a deficient number, since it is larger than the sum of its proper divisors (488945).

313002223 is an equidigital number, since it uses as much as digits as its factorization.

313002223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488944.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 313002223 is about 17691.8688385371. The cubic root of 313002223 is about 678.9677410326.

Adding to 313002223 its reverse (322200313), we get a palindrome (635202536).

The spelling of 313002223 in words is "three hundred thirteen million, two thousand, two hundred twenty-three".

Divisors: 1 641 488303 313002223