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211313231001103 = 711103207311285223
BaseRepresentation
bin110000000011000000110010…
…000100011111011000001111
31000201012100101101200021000211
4300003000302010133120033
5210144123444114013403
62025231542544303251
762336606566213660
oct6003006204373017
91021170341607024
10211313231001103
116137048aa80510
121b849b05611b27
1390ba9a170336a
143a278875d9367
151966b1e78906d
hexc0303211f60f

211313231001103 has 32 divisors (see below), whose sum is σ = 266026315456512. Its totient is φ = 163053030607200.

The previous prime is 211313231001097. The next prime is 211313231001163. The reversal of 211313231001103 is 301100132313112.

It is a cyclic number.

It is not a de Polignac number, because 211313231001103 - 25 = 211313231001071 is a prime.

It is a super-2 number, since 2×2113132310011032 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211313231001163) 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 31 ways as a sum of consecutive naturals, for example, 163774950 + ... + 165060172.

It is an arithmetic number, because the mean of its divisors is an integer number (8313322358016).

Almost surely, 2211313231001103 is an apocalyptic number.

211313231001103 is a deficient number, since it is larger than the sum of its proper divisors (54713084455409).

211313231001103 is a wasteful number, since it uses less digits than its factorization.

211313231001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306075.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 211313231001103 its reverse (301100132313112), we get a palindrome (512413363314215).

The spelling of 211313231001103 in words is "two hundred eleven trillion, three hundred thirteen billion, two hundred thirty-one million, one thousand, one hundred three".

Divisors: 1 7 11 77 103 721 1133 7931 20731 145117 228041 1285223 1596287 2135293 8996561 14137453 14947051 23488223 98962171 132377969 164417561 926645783 1456157659 10193103613 26643958013 186507706091 293083538143 2051584767001 2744327675339 19210293727373 30187604428729 211313231001103