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313386473 is a prime number
BaseRepresentation
bin10010101011011…
…110010111101001
3210211200200102102
4102223132113221
51120211331343
651032543145
710523512121
oct2253362751
9724620372
10313386473
11150997994
1288b51ab5
134cc06baa
142d899c81
151c7a53b8
hex12ade5e9

313386473 has 2 divisors, whose sum is σ = 313386474. Its totient is φ = 313386472.

The previous prime is 313386467. The next prime is 313386511. The reversal of 313386473 is 374683313.

It is an a-pointer prime, because the next prime (313386511) can be obtained adding 313386473 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227768464 + 85618009 = 15092^2 + 9253^2 .

It is a cyclic number.

It is not a de Polignac number, because 313386473 - 28 = 313386217 is a prime.

It is a super-2 number, since 2×3133864732 = 196422162918759458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313386433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156693236 + 156693237.

It is an arithmetic number, because the mean of its divisors is an integer number (156693237).

Almost surely, 2313386473 is an apocalyptic number.

It is an amenable number.

313386473 is a deficient number, since it is larger than the sum of its proper divisors (1).

313386473 is an equidigital number, since it uses as much as digits as its factorization.

313386473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 38.

The square root of 313386473 is about 17702.7250162228. The cubic root of 313386473 is about 679.2454671404.

The spelling of 313386473 in words is "three hundred thirteen million, three hundred eighty-six thousand, four hundred seventy-three".