Search a number
-
+
313231024 = 2442114649
BaseRepresentation
bin10010101010111…
…000011010110000
3210211101210012001
4102222320122300
51120141343044
651025343344
710522263661
oct2252703260
9724353161
10313231024
111508a1117
1288a97b54
134cb81202
142d859368
151c7742d4
hex12ab86b0

313231024 has 20 divisors (see below), whose sum is σ = 607159800. Its totient is φ = 156544640.

The previous prime is 313231013. The next prime is 313231027. The reversal of 313231024 is 420132313.

It is a super-2 number, since 2×3132310242 = 196227348792177152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313230992 and 313231010.

It is not an unprimeable number, because it can be changed into a prime (313231027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65052 + ... + 69700.

It is an arithmetic number, because the mean of its divisors is an integer number (30357990).

Almost surely, 2313231024 is an apocalyptic number.

It is an amenable number.

313231024 is a deficient number, since it is larger than the sum of its proper divisors (293928776).

313231024 is a wasteful number, since it uses less digits than its factorization.

313231024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868 (or 8862 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 313231024 is about 17698.3339328876. Note that the first 3 decimals coincide. The cubic root of 313231024 is about 679.1331399227.

Adding to 313231024 its reverse (420132313), we get a palindrome (733363337).

The spelling of 313231024 in words is "three hundred thirteen million, two hundred thirty-one thousand, twenty-four".

Divisors: 1 2 4 8 16 4211 4649 8422 9298 16844 18596 33688 37192 67376 74384 19576939 39153878 78307756 156615512 313231024