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231001000201101 = 31361509190766291
BaseRepresentation
bin110100100001100000011100…
…100011110100101110001101
31010021220110221212210201111210
4310201200130203310232031
5220234210022022413401
62135144221113005033
766441162062232204
oct6441403443645615
91107813855721453
10231001000201101
1167670a79480179
1221aa965b6b3779
139bb83bac74520
1441087181b823b
151ba8ced3004d6
hexd2181c8f4b8d

231001000201101 has 32 divisors (see below), whose sum is σ = 337793688570240. Its totient is φ = 139549356460800.

The previous prime is 231001000201099. The next prime is 231001000201141. The reversal of 231001000201101 is 101102000100132.

It is not a de Polignac number, because 231001000201101 - 21 = 231001000201099 is a prime.

It is a super-2 number, since 2×2310010002011012 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231001000201141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94172235 + ... + 96594056.

It is an arithmetic number, because the mean of its divisors is an integer number (10556052767820).

Almost surely, 2231001000201101 is an apocalyptic number.

It is an amenable number.

231001000201101 is a deficient number, since it is larger than the sum of its proper divisors (106792688369139).

231001000201101 is a wasteful number, since it uses less digits than its factorization.

231001000201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190766877.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 231001000201101 its reverse (101102000100132), we get a palindrome (332103000301233).

The spelling of 231001000201101 in words is "two hundred thirty-one trillion, one billion, two hundred one thousand, one hundred one".

Divisors: 1 3 13 39 61 183 509 793 1527 2379 6617 19851 31049 93147 403637 1210911 190766291 572298873 2479961783 7439885349 11636743751 34910231253 97100042119 151277668763 291300126357 453833006289 1262300547547 3786901642641 5923102569259 17769307707777 77000333400367 231001000201101