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313515127 is a prime number
BaseRepresentation
bin10010101011111…
…101110001110111
3210211221012220101
4102223331301313
51120224441002
651035414531
710524556162
oct2253756167
9724835811
10313515127
11150a75612
1288bb4447
134cc50613
142d8d0ad9
151c7cd587
hex12afdc77

313515127 has 2 divisors, whose sum is σ = 313515128. Its totient is φ = 313515126.

The previous prime is 313515119. The next prime is 313515131. The reversal of 313515127 is 721515313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313515127 - 23 = 313515119 is a prime.

It is a super-2 number, since 2×3135151272 = 196583469715652258, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 313515095 and 313515104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313515157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156757563 + 156757564.

It is an arithmetic number, because the mean of its divisors is an integer number (156757564).

Almost surely, 2313515127 is an apocalyptic number.

313515127 is a deficient number, since it is larger than the sum of its proper divisors (1).

313515127 is an equidigital number, since it uses as much as digits as its factorization.

313515127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 28.

The square root of 313515127 is about 17706.3583777128. The cubic root of 313515127 is about 679.3384042412.

The spelling of 313515127 in words is "three hundred thirteen million, five hundred fifteen thousand, one hundred twenty-seven".