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313125061 is a prime number
BaseRepresentation
bin10010101010011…
…110100011000101
3210211012101211111
4102222132203011
51120130000221
651023205021
710521343024
oct2252364305
9724171744
10313125061
11150829547
1288a46771
134cb44c02
142d82c8bb
151c752be1
hex12a9e8c5

313125061 has 2 divisors, whose sum is σ = 313125062. Its totient is φ = 313125060.

The previous prime is 313125049. The next prime is 313125101. The reversal of 313125061 is 160521313.

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., 194184225 + 118940836 = 13935^2 + 10906^2 .

It is a cyclic number.

It is not a de Polignac number, because 313125061 - 29 = 313124549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313125031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156562530 + 156562531.

It is an arithmetic number, because the mean of its divisors is an integer number (156562531).

Almost surely, 2313125061 is an apocalyptic number.

It is an amenable number.

313125061 is a deficient number, since it is larger than the sum of its proper divisors (1).

313125061 is an equidigital number, since it uses as much as digits as its factorization.

313125061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 313125061 is about 17695.3400928041. The cubic root of 313125061 is about 679.0565499133.

Adding to 313125061 its reverse (160521313), we get a palindrome (473646374).

The spelling of 313125061 in words is "three hundred thirteen million, one hundred twenty-five thousand, sixty-one".