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13111220320310 = 257320358477411
BaseRepresentation
bin1011111011001011000110…
…1000010011100000110110
31201102102100111011012102002
42332302301220103200312
53204303234400222220
643515113402015302
72522153155622120
oct276626150234066
951372314135362
1013111220320310
1141a548a075592
1215790611a7532
137414c8c42938
1433482d308210
1517b0bd980c75
hexbecb1a13836

13111220320310 has 32 divisors (see below), whose sum is σ = 26980074438912. Its totient is φ = 4493872003680.

The previous prime is 13111220320259. The next prime is 13111220320333. The reversal of 13111220320310 is 1302302211131.

It is a happy number.

13111220320310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131112203203102 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29014496 + ... + 29462915.

It is an arithmetic number, because the mean of its divisors is an integer number (843127326216).

Almost surely, 213111220320310 is an apocalyptic number.

13111220320310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13111220320310 is an abundant number, since it is smaller than the sum of its proper divisors (13868854118602).

13111220320310 is a wasteful number, since it uses less digits than its factorization.

13111220320310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58480628.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13111220320310 its reverse (1302302211131), we get a palindrome (14413522531441).

The spelling of 13111220320310 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty million, three hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 3203 6406 16015 22421 32030 44842 112105 224210 58477411 116954822 292387055 409341877 584774110 818683754 2046709385 4093418770 187303147433 374606294866 936515737165 1311122032031 1873031474330 2622244064062 6555610160155 13111220320310