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311424201224 = 23137329986131
BaseRepresentation
bin1001000100000100101…
…01000011001000001000
31002202211200120120122222
410202002111003020020
520100244043414344
6355022153233212
731333245014423
oct4420225031010
91082750516588
10311424201224
1111008a92a814
1250433402808
13234a08bc2a6
14111044b69ba
15817a5e25ee
hex4882543208

311424201224 has 32 divisors (see below), whose sum is σ = 588367692000. Its totient is φ = 154526866560.

The previous prime is 311424201223. The next prime is 311424201289. The reversal of 311424201224 is 422102424113.

It is a junction number, because it is equal to n+sod(n) for n = 311424201193 and 311424201202.

It is not an unprimeable number, because it can be changed into a prime (311424201223) 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, 3572639 + ... + 3658769.

It is an arithmetic number, because the mean of its divisors is an integer number (18386490375).

Almost surely, 2311424201224 is an apocalyptic number.

It is an amenable number.

311424201224 is a deficient number, since it is larger than the sum of its proper divisors (276943490776).

311424201224 is a wasteful number, since it uses less digits than its factorization.

311424201224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89573 (or 89569 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 311424201224 its reverse (422102424113), we get a palindrome (733526625337).

The spelling of 311424201224 in words is "three hundred eleven billion, four hundred twenty-four million, two hundred one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 137 274 548 1096 3299 6598 13196 26392 86131 172262 344524 451963 689048 903926 1807852 3615704 11799947 23599894 47199788 94399576 284146169 568292338 1136584676 2273169352 38928025153 77856050306 155712100612 311424201224