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231241342244 = 22118363319097
BaseRepresentation
bin1101011101011100001…
…1101101110100100100
3211002212121101022022012
43113113003231310210
512242040240422434
6254121504253352
722464242656313
oct3272703556444
9732777338265
10231241342244
118a083789010
1238996311258
1318a629221c3
14b29933c27a
1560360533ce
hex35d70edd24

231241342244 has 24 divisors (see below), whose sum is σ = 446779555488. Its totient is φ = 103843317440.

The previous prime is 231241342193. The next prime is 231241342261. The reversal of 231241342244 is 442243142132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 231241342244.

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, 31655897 + ... + 31663200.

It is an arithmetic number, because the mean of its divisors is an integer number (18615814812).

Almost surely, 2231241342244 is an apocalyptic number.

It is an amenable number.

231241342244 is a deficient number, since it is larger than the sum of its proper divisors (215538213244).

231241342244 is a wasteful number, since it uses less digits than its factorization.

231241342244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63319195 (or 63319193 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 231241342244 its reverse (442243142132), we get a palindrome (673484484376).

The spelling of 231241342244 in words is "two hundred thirty-one billion, two hundred forty-one million, three hundred forty-two thousand, two hundred forty-four".

Divisors: 1 2 4 11 22 44 83 166 332 913 1826 3652 63319097 126638194 253276388 696510067 1393020134 2786040268 5255485051 10510970102 21021940204 57810335561 115620671122 231241342244