Search a number
-
+
313700641 is a prime number
BaseRepresentation
bin10010101100101…
…011000100100001
3210212021122101021
4102230223010201
51120301410031
651043405441
710526261062
oct2254530441
9725248337
10313700641
11151091a31
1289083881
134ccb6ba7
142d93c569
151c818511
hex12b2b121

313700641 has 2 divisors, whose sum is σ = 313700642. Its totient is φ = 313700640.

The previous prime is 313700623. The next prime is 313700669. The reversal of 313700641 is 146007313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194017041 + 119683600 = 13929^2 + 10940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313700641 is a prime.

It is not a weakly prime, because it can be changed into another prime (313700141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156850320 + 156850321.

It is an arithmetic number, because the mean of its divisors is an integer number (156850321).

Almost surely, 2313700641 is an apocalyptic number.

It is an amenable number.

313700641 is a deficient number, since it is larger than the sum of its proper divisors (1).

313700641 is an equidigital number, since it uses as much as digits as its factorization.

313700641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 313700641 is about 17711.5962295892. The cubic root of 313700641 is about 679.4723711265.

Adding to 313700641 its reverse (146007313), we get a palindrome (459707954).

The spelling of 313700641 in words is "three hundred thirteen million, seven hundred thousand, six hundred forty-one".