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313023017 is a prime number
BaseRepresentation
bin10010101010000…
…101101000101001
3210211000012212002
4102222011220221
51120113214032
651021100345
710520436356
oct2252055051
9724005762
10313023017
1115076990a
12889b76b5
134cb0a628
142d80362d
151c732862
hex12a85a29

313023017 has 2 divisors, whose sum is σ = 313023018. Its totient is φ = 313023016.

The previous prime is 313023001. The next prime is 313023047. The reversal of 313023017 is 710320313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209207296 + 103815721 = 14464^2 + 10189^2 .

It is a cyclic number.

It is not a de Polignac number, because 313023017 - 24 = 313023001 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313023017.

It is not a weakly prime, because it can be changed into another prime (313023047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156511508 + 156511509.

It is an arithmetic number, because the mean of its divisors is an integer number (156511509).

Almost surely, 2313023017 is an apocalyptic number.

It is an amenable number.

313023017 is a deficient number, since it is larger than the sum of its proper divisors (1).

313023017 is an equidigital number, since it uses as much as digits as its factorization.

313023017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 313023017 is about 17692.4564998759. The cubic root of 313023017 is about 678.9827762214.

The spelling of 313023017 in words is "three hundred thirteen million, twenty-three thousand, seventeen".