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243310024431 = 32109682936319
BaseRepresentation
bin1110001010011001101…
…0000101011011101111
3212021000200201212220100
43202212122011123233
512441244331240211
6303435230122143
723402310040545
oct3424632053357
9767020655810
10243310024431
1194207190621
123b1a4050353
1319c37083776
14bac2117d95
1564e083e156
hex38a66856ef

243310024431 has 24 divisors (see below), whose sum is σ = 354733808000. Its totient is φ = 160690588992.

The previous prime is 243310024429. The next prime is 243310024439. The reversal of 243310024431 is 134420013342.

It is not a de Polignac number, because 243310024431 - 21 = 243310024429 is a prime.

It is a super-2 number, since 2×2433100244312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243310024395 and 243310024404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243310024439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6681090 + ... + 6717408.

Almost surely, 2243310024431 is an apocalyptic number.

243310024431 is a deficient number, since it is larger than the sum of its proper divisors (111423783569).

243310024431 is a wasteful number, since it uses less digits than its factorization.

243310024431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43263 (or 43260 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 243310024431 its reverse (134420013342), we get a palindrome (377730037773).

The spelling of 243310024431 in words is "two hundred forty-three billion, three hundred ten million, twenty-four thousand, four hundred thirty-one".

Divisors: 1 3 9 109 327 981 6829 20487 36319 61461 108957 326871 744361 2233083 3958771 6699249 11876313 35628939 248022451 744067353 2232202059 27034447159 81103341477 243310024431