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2231001112312 = 23763616263057
BaseRepresentation
bin100000011101110010000…
…001110101111011111000
321220021121022012012202101
4200131302001311323320
5243023042241043222
64424524024313144
7320120200363510
oct40356201657370
97807538165671
102231001112312
11790186a69565
123004719127b4
131324c8484b8b
1479da3d36840
153d077dcb927
hex20772075ef8

2231001112312 has 32 divisors (see below), whose sum is σ = 4781468999520. Its totient is φ = 955992867840.

The previous prime is 2231001112309. The next prime is 2231001112321. The reversal of 2231001112312 is 2132111001322.

2231001112312 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-3 number, since 3×22310011123123 (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231001112312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2775313 + ... + 3487744.

It is an arithmetic number, because the mean of its divisors is an integer number (149420906235).

Almost surely, 22231001112312 is an apocalyptic number.

It is an amenable number.

2231001112312 is an abundant number, since it is smaller than the sum of its proper divisors (2550467887208).

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

2231001112312 is a wasteful number, since it uses less digits than its factorization.

2231001112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6269431 (or 6269427 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2231001112312 its reverse (2132111001322), we get a palindrome (4363112113634).

The spelling of 2231001112312 in words is "two trillion, two hundred thirty-one billion, one million, one hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 6361 12722 25444 44527 50888 89054 178108 356216 6263057 12526114 25052228 43841399 50104456 87682798 175365596 350731192 39839305577 79678611154 159357222308 278875139039 318714444616 557750278078 1115500556156 2231001112312