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313568071 is a prime number
BaseRepresentation
bin10010101100001…
…010101101000111
3210212000220112021
4102230022231013
51120233134241
651040504011
710525166425
oct2254125507
9725026467
10313568071
11151001373
128901b007
134cc6b74b
142d906115
151c7de0d1
hex12b0ab47

313568071 has 2 divisors, whose sum is σ = 313568072. Its totient is φ = 313568070.

The previous prime is 313568063. The next prime is 313568089. The reversal of 313568071 is 170865313.

It is a weak prime.

It is an emirp because it is prime and its reverse (170865313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313568071 - 23 = 313568063 is a prime.

It is a super-2 number, since 2×3135680712 = 196649870301322082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313568471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156784035 + 156784036.

It is an arithmetic number, because the mean of its divisors is an integer number (156784036).

Almost surely, 2313568071 is an apocalyptic number.

313568071 is a deficient number, since it is larger than the sum of its proper divisors (1).

313568071 is an equidigital number, since it uses as much as digits as its factorization.

313568071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 313568071 is about 17707.8533707505. The cubic root of 313568071 is about 679.3766425535.

The spelling of 313568071 in words is "three hundred thirteen million, five hundred sixty-eight thousand, seventy-one".