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313296761 is a prime number
BaseRepresentation
bin10010101011001…
…000011101111001
3210211112010100202
4102223020131321
51120200444021
651031011545
710522656431
oct2253103571
9724463322
10313296761
11150936548
1288b09bb5
134cba50cb
142d8752c1
151c788a0b
hex12ac8779

313296761 has 2 divisors, whose sum is σ = 313296762. Its totient is φ = 313296760.

The previous prime is 313296679. The next prime is 313296779. The reversal of 313296761 is 167692313.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312405625 + 891136 = 17675^2 + 944^2 .

It is an emirp because it is prime and its reverse (167692313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313296761 is a prime.

It is a super-2 number, since 2×3132967612 = 196309720906182242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313296161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156648380 + 156648381.

It is an arithmetic number, because the mean of its divisors is an integer number (156648381).

Almost surely, 2313296761 is an apocalyptic number.

It is an amenable number.

313296761 is a deficient number, since it is larger than the sum of its proper divisors (1).

313296761 is an equidigital number, since it uses as much as digits as its factorization.

313296761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 313296761 is about 17700.1909876702. The cubic root of 313296761 is about 679.1806459157.

The spelling of 313296761 in words is "three hundred thirteen million, two hundred ninety-six thousand, seven hundred sixty-one".