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231001130112 = 273601565443
BaseRepresentation
bin1101011100100010111…
…1011000010010000000
3211002020212101021012120
43113020233120102000
512241042242130422
6254042003524240
722455265131354
oct3271057302200
9732225337176
10231001130112
1189a70130095
1238929989680
1318a24c2894c
14b27548d464
15601ee0445c
hex35c8bd8480

231001130112 has 32 divisors (see below), whose sum is σ = 613596752880. Its totient is φ = 77000376576.

The previous prime is 231001130099. The next prime is 231001130137. The reversal of 231001130112 is 211031100132.

It is a happy number.

231001130112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×2310011301122 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231001130091 and 231001130100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300782338 + ... + 300783105.

Almost surely, 2231001130112 is an apocalyptic number.

It is an amenable number.

231001130112 is an abundant number, since it is smaller than the sum of its proper divisors (382595622768).

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

231001130112 is an equidigital number, since it uses as much as digits as its factorization.

231001130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601565460 (or 601565448 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 231001130112 its reverse (211031100132), we get a palindrome (442032230244).

The spelling of 231001130112 in words is "two hundred thirty-one billion, one million, one hundred thirty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 601565443 1203130886 1804696329 2406261772 3609392658 4812523544 7218785316 9625047088 14437570632 19250094176 28875141264 38500188352 57750282528 77000376704 115500565056 231001130112