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311034230 = 25132392571
BaseRepresentation
bin10010100010100…
…000000101110110
3210200021011202022
4102202200011312
51114111043410
650510313142
710464514223
oct2242400566
9720234668
10311034230
1114a630691
12881b87b2
134c592330
142d44694a
151c48d455
hex128a0176

311034230 has 16 divisors (see below), whose sum is σ = 602928144. Its totient is φ = 114843360.

The previous prime is 311034223. The next prime is 311034233. The reversal of 311034230 is 32430113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 311034199 and 311034208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311034233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196156 + ... + 1196415.

It is an arithmetic number, because the mean of its divisors is an integer number (37683009).

Almost surely, 2311034230 is an apocalyptic number.

311034230 is a deficient number, since it is larger than the sum of its proper divisors (291893914).

311034230 is a wasteful number, since it uses less digits than its factorization.

311034230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392591.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 311034230 is about 17636.1625644583. The cubic root of 311034230 is about 677.5417511250.

Adding to 311034230 its reverse (32430113), we get a palindrome (343464343).

The spelling of 311034230 in words is "three hundred eleven million, thirty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 2392571 4785142 11962855 23925710 31103423 62206846 155517115 311034230