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231322110032 = 24132514430779
BaseRepresentation
bin1101011101101111011…
…1110100100001010000
3211010002020100201212202
43113123313310201100
512242221430010112
6254133511342332
722466243331026
oct3273367644120
9733066321782
10231322110032
118a115334052
12389b93819a8
1318a76590bb0
14b2a5d64716
15603d1a96c2
hex35dbdf4850

231322110032 has 40 divisors (see below), whose sum is σ = 484585547040. Its totient is φ = 106338672000.

The previous prime is 231322110013. The next prime is 231322110083. The reversal of 231322110032 is 230011223132.

It is a junction number, because it is equal to n+sod(n) for n = 231322109986 and 231322110013.

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, 2163182 + ... + 2267597.

It is an arithmetic number, because the mean of its divisors is an integer number (12114638676).

Almost surely, 2231322110032 is an apocalyptic number.

It is an amenable number.

231322110032 is an abundant number, since it is smaller than the sum of its proper divisors (253263437008).

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

231322110032 is a wasteful number, since it uses less digits than its factorization.

231322110032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431051 (or 4431045 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231322110032 its reverse (230011223132), we get a palindrome (461333333164).

The spelling of 231322110032 in words is "two hundred thirty-one billion, three hundred twenty-two million, one hundred ten thousand, thirty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 251 502 1004 2008 3263 4016 6526 13052 26104 52208 4430779 8861558 17723116 35446232 57600127 70892464 115200254 230400508 460801016 921602032 1112125529 2224251058 4448502116 8897004232 14457631877 17794008464 28915263754 57830527508 115661055016 231322110032