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313207 is a prime number
BaseRepresentation
bin1001100011101110111
3120220122021
41030131313
540010312
610414011
72443066
oct1143567
9526567
10313207
111a4354
12131307
13ac73b
14821dd
1562c07
hex4c777

313207 has 2 divisors, whose sum is σ = 313208. Its totient is φ = 313206.

The previous prime is 313163. The next prime is 313211. The reversal of 313207 is 702313.

It is a strong prime.

It is an emirp because it is prime and its reverse (702313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313207 is a prime.

313207 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156603 + 156604.

It is an arithmetic number, because the mean of its divisors is an integer number (156604).

2313207 is an apocalyptic number.

313207 is a deficient number, since it is larger than the sum of its proper divisors (1).

313207 is an equidigital number, since it uses as much as digits as its factorization.

313207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 313207 is about 559.6489971402. The cubic root of 313207 is about 67.9115776900.

It can be divided in two parts, 3 and 13207, that multiplied together give a triangular number (39621 = T281).

The spelling of 313207 in words is "three hundred thirteen thousand, two hundred seven".