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30311030343 = 3112415934519
BaseRepresentation
bin11100001110101011…
…011001111001000111
32220020102112212210110
4130032223121321013
5444034110432333
621531422324103
72122064335566
oct341653317107
986212485713
1030311030343
1111944871800
125a5b129633
132b20955719
14167788dbdd
15bc60b6063
hex70ead9e47

30311030343 has 48 divisors (see below), whose sum is σ = 46278892800. Its totient is φ = 17617987200.

The previous prime is 30311030339. The next prime is 30311030359. The reversal of 30311030343 is 34303011303.

It is not a de Polignac number, because 30311030343 - 22 = 30311030339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311031343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 860838 + ... + 895356.

It is an arithmetic number, because the mean of its divisors is an integer number (964143600).

Almost surely, 230311030343 is an apocalyptic number.

30311030343 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30311030343 is a deficient number, since it is larger than the sum of its proper divisors (15967862457).

30311030343 is a wasteful number, since it uses less digits than its factorization.

30311030343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34644 (or 34633 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30311030343 its reverse (34303011303), we get a palindrome (64614041646).

The spelling of 30311030343 in words is "thirty billion, three hundred eleven million, thirty thousand, three hundred forty-three".

Divisors: 1 3 11 33 41 59 121 123 177 363 451 649 1353 1947 2419 4961 7139 7257 14883 21417 26609 34519 79827 103557 292699 379709 878097 1139127 1415279 2036621 4176799 4245837 6109863 12530397 15568069 22402831 46704207 67208493 83501461 171248759 246431141 250504383 513746277 739293423 918516071 2755548213 10103676781 30311030343