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313686311 is a prime number
BaseRepresentation
bin10010101100100…
…111100100100111
3210212020220201112
4102230213210213
51120300430221
651043215235
710526201231
oct2254474447
9725226645
10313686311
11151082194
128907751b
134ccb0503
142d937251
151c81415b
hex12b27927

313686311 has 2 divisors, whose sum is σ = 313686312. Its totient is φ = 313686310.

The previous prime is 313686293. The next prime is 313686313. The reversal of 313686311 is 113686313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313686311 - 214 = 313669927 is a prime.

Together with 313686313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313686313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156843155 + 156843156.

It is an arithmetic number, because the mean of its divisors is an integer number (156843156).

Almost surely, 2313686311 is an apocalyptic number.

313686311 is a deficient number, since it is larger than the sum of its proper divisors (1).

313686311 is an equidigital number, since it uses as much as digits as its factorization.

313686311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 313686311 is about 17711.1916877437. The cubic root of 313686311 is about 679.4620247580.

The spelling of 313686311 in words is "three hundred thirteen million, six hundred eighty-six thousand, three hundred eleven".