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31243433110 = 2513093238627
BaseRepresentation
bin11101000110010000…
…001111010010010110
32222122102000211221021
4131012100033102112
51002441304324420
622204131111354
72154145541161
oct350620172226
988572024837
1031243433110
11122831157aa
12607b44255a
132c3bb85936
141725642ad8
15c2cd937aa
hex74640f496

31243433110 has 16 divisors (see below), whose sum is σ = 56242710576. Its totient is φ = 12496366368.

The previous prime is 31243433087. The next prime is 31243433141. The reversal of 31243433110 is 1133434213.

It is a super-2 number, since 2×312434331102 (a number of 22 digits) contains 22 as substring.

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, 11617 + ... + 250243.

It is an arithmetic number, because the mean of its divisors is an integer number (3515169411).

Almost surely, 231243433110 is an apocalyptic number.

31243433110 is a deficient number, since it is larger than the sum of its proper divisors (24999277466).

31243433110 is a wasteful number, since it uses less digits than its factorization.

31243433110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251727.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31243433110 its reverse (1133434213), we get a palindrome (32376867323).

The spelling of 31243433110 in words is "thirty-one billion, two hundred forty-three million, four hundred thirty-three thousand, one hundred ten".

Divisors: 1 2 5 10 13093 26186 65465 130930 238627 477254 1193135 2386270 3124343311 6248686622 15621716555 31243433110