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100312313211 = 32116154730367
BaseRepresentation
bin101110101101100010…
…1000110110101111011
3100120220221022111102200
41131123011012311323
53120414423010321
6114025521001243
710150555410435
oct1353305066573
9316827274380
10100312313211
11395a675a6a0
1217536483223
1395c842bc66
144bd871b655
15292187bd26
hex175b146d7b

100312313211 has 48 divisors (see below), whose sum is σ = 160958174208. Its totient is φ = 59687409600.

The previous prime is 100312313209. The next prime is 100312313249. The reversal of 100312313211 is 112313213001.

100312313211 is a `hidden beast` number, since 1 + 0 + 0 + 312 + 31 + 321 + 1 = 666.

It is not a de Polignac number, because 100312313211 - 21 = 100312313209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100312313281) 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, 3288150 + ... + 3318516.

It is an arithmetic number, because the mean of its divisors is an integer number (3353295296).

Almost surely, 2100312313211 is an apocalyptic number.

100312313211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100312313211 is a deficient number, since it is larger than the sum of its proper divisors (60645860997).

100312313211 is a wasteful number, since it uses less digits than its factorization.

100312313211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30992 (or 30989 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 100312313211 its reverse (112313213001), we get a palindrome (212625526212).

The spelling of 100312313211 in words is "one hundred billion, three hundred twelve million, three hundred thirteen thousand, two hundred eleven".

Divisors: 1 3 9 11 33 61 99 183 547 549 671 1641 2013 4923 6017 6039 18051 30367 33367 54153 91101 100101 273303 300303 334037 367037 1002111 1101111 1852387 3006333 3303333 5557161 16610749 16671483 20376257 49832247 61128771 149496741 182718239 183386313 548154717 1013255689 1644464151 3039767067 9119301201 11145812579 33437437737 100312313211