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231001130130111 = 32116134412986257
BaseRepresentation
bin110100100001100000100100…
…010011011101101010111111
31010021220111021221021210121100
4310201200210103131222333
5220234210303303130421
62135144242033504143
766441165230506035
oct6441404423355277
91107814257253540
10231001130130111
1167671035853820
1221aa9697112053
139bb840bb668b3
14410872b55a555
151ba8d09917c26
hexd218244ddabf

231001130130111 has 48 divisors (see below), whose sum is σ = 364608073683360. Its totient is φ = 139767511080960.

The previous prime is 231001130130079. The next prime is 231001130130187. The reversal of 231001130130111 is 111031031100132.

231001130130111 is a `hidden beast` number, since 2 + 310 + 0 + 11 + 30 + 1 + 301 + 11 = 666.

231001130130111 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231001130130111 - 25 = 231001130130079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231001130130191) 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, 2678013495 + ... + 2678099751.

It is an arithmetic number, because the mean of its divisors is an integer number (7596001535070).

Almost surely, 2231001130130111 is an apocalyptic number.

231001130130111 is a deficient number, since it is larger than the sum of its proper divisors (133606943553249).

231001130130111 is a wasteful number, since it uses less digits than its factorization.

231001130130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131016 (or 131013 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 231001130130111 its reverse (111031031100132), we get a palindrome (342032161230243).

The spelling of 231001130130111 in words is "two hundred thirty-one trillion, one billion, one hundred thirty million, one hundred thirty thousand, one hundred eleven".

Divisors: 1 3 9 11 33 99 613 1839 5517 6743 20229 44129 60687 86257 132387 258771 397161 485419 776313 948827 1456257 2846481 4368771 8539443 27051077 52875541 81153231 158626623 243459693 297561847 475879869 581630951 892685541 1744892853 2678056623 3806435153 5234678559 11419305459 34257916377 41870786683 125612360049 376837080147 2333344748789 7000034246367 21000102739101 25666792236679 77000376710037 231001130130111