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231001322013112 = 2374219798155837
BaseRepresentation
bin110100100001100000101111…
…101111011100000110111000
31010021220111210022100110121011
4310201200233233130012320
5220234211201413404422
62135144313050323304
766441203050465510
oct6441405757340670
91107814708313534
10231001322013112
11676711240a2312
1221aa972b429534
139bb843c83b431
144108748c28840
151ba8d1b6bc077
hexd2182fbdc1b8

231001322013112 has 32 divisors (see below), whose sum is σ = 496178611636320. Its totient is φ = 98765410826880.

The previous prime is 231001322013103. The next prime is 231001322013113. The reversal of 231001322013112 is 211310223100132.

231001322013112 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 2×2310013220131122 (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 (231001322013113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4899054343 + ... + 4899101494.

It is an arithmetic number, because the mean of its divisors is an integer number (15505581613635).

Almost surely, 2231001322013112 is an apocalyptic number.

It is an amenable number.

231001322013112 is an abundant number, since it is smaller than the sum of its proper divisors (265177289623208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231001322013112 is a wasteful number, since it uses less digits than its factorization.

231001322013112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9798156271 (or 9798156267 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 231001322013112 its reverse (211310223100132), we get a palindrome (442311545113244).

The spelling of 231001322013112 in words is "two hundred thirty-one trillion, one billion, three hundred twenty-two million, thirteen thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 421 842 1684 2947 3368 5894 11788 23576 9798155837 19596311674 39192623348 68587090859 78385246696 137174181718 274348363436 548696726872 4125023607377 8250047214754 16500094429508 28875165251639 33000188859016 57750330503278 115500661006556 231001322013112