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313223 = 1033041
BaseRepresentation
bin1001100011110000111
3120220122212
41030132013
540010343
610414035
72443121
oct1143607
9526585
10313223
111a4369
1213131b
13ac751
1482211
1562c18
hex4c787

313223 has 4 divisors (see below), whose sum is σ = 316368. Its totient is φ = 310080.

The previous prime is 313219. The next prime is 313241. The reversal of 313223 is 322313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322313 = 1092957.

It is a cyclic number.

It is not a de Polignac number, because 313223 - 22 = 313219 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 313198 and 313207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (79092).

2313223 is an apocalyptic number.

313223 is a deficient number, since it is larger than the sum of its proper divisors (3145).

313223 is a wasteful number, since it uses less digits than its factorization.

313223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144.

The product of its digits is 108, while the sum is 14.

The square root of 313223 is about 559.6632916317. The cubic root of 313223 is about 67.9127340784.

Adding to 313223 its reverse (322313), we get a palindrome (635536).

The spelling of 313223 in words is "three hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 103 3041 313223