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311013312229 = 2361241919823
BaseRepresentation
bin1001000011010011101…
…01101000011011100101
31002201210001102020221001
410201221311220123211
520043423401442404
6354513314353301
731320125351344
oct4415165503345
91081701366831
10311013312229
1110a9999a7834
125033988b831
13234367375c9
14110a5ab9b5b
1581544cc7a4
hex4869d686e5

311013312229 has 16 divisors (see below), whose sum is σ = 331224943104. Its totient is φ = 291399609600.

The previous prime is 311013312199. The next prime is 311013312251. The reversal of 311013312229 is 922213310113.

It is a cyclic number.

It is not a de Polignac number, because 311013312229 - 221 = 311011215077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311013312197 and 311013312206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311013312829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121789 + ... + 798034.

It is an arithmetic number, because the mean of its divisors is an integer number (20701558944).

Almost surely, 2311013312229 is an apocalyptic number.

It is an amenable number.

311013312229 is a deficient number, since it is larger than the sum of its proper divisors (20211630875).

311013312229 is a wasteful number, since it uses less digits than its factorization.

311013312229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920148.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 311013312229 in words is "three hundred eleven billion, thirteen million, three hundred twelve thousand, two hundred twenty-nine".

Divisors: 1 23 61 241 1403 5543 14701 338123 919823 21155929 56109203 221677343 1290511669 5098578889 13522317923 311013312229