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318116741 is a prime number
BaseRepresentation
bin10010111101100…
…001001110000101
3211011121000010112
4102331201032011
51122414213431
651322202405
710611643025
oct2275411605
9734530115
10318116741
111536288a8
128a653405
1350ba1c77
143036ba85
151cddbc2b
hex12f61385

318116741 has 2 divisors, whose sum is σ = 318116742. Its totient is φ = 318116740.

The previous prime is 318116723. The next prime is 318116837. The reversal of 318116741 is 147611813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193794241 + 124322500 = 13921^2 + 11150^2 .

It is a cyclic number.

It is not a de Polignac number, because 318116741 - 210 = 318115717 is a prime.

It is a super-2 number, since 2×3181167412 = 202396521808922162, 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 = 318116698 and 318116707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318116041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159058370 + 159058371.

It is an arithmetic number, because the mean of its divisors is an integer number (159058371).

Almost surely, 2318116741 is an apocalyptic number.

It is an amenable number.

318116741 is a deficient number, since it is larger than the sum of its proper divisors (1).

318116741 is an equidigital number, since it uses as much as digits as its factorization.

318116741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 318116741 is about 17835.8274548730. The cubic root of 318116741 is about 682.6459346144.

The spelling of 318116741 in words is "three hundred eighteen million, one hundred sixteen thousand, seven hundred forty-one".