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131230110342 = 2382336377307
BaseRepresentation
bin111101000110111101…
…1001001001010000110
3110112201122121022210010
41322031323021022012
54122224402012332
6140141500411050
712324001350612
oct1721573111206
9415648538703
10131230110342
1150721a81251
1221524846a86
13c4b49ac286
1464cc9d6342
153630d4a9cc
hex1e8dec9286

131230110342 has 32 divisors (see below), whose sum is σ = 262887351552. Its totient is φ = 43672228704.

The previous prime is 131230110337. The next prime is 131230110421. The reversal of 131230110342 is 243011032131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17955853 + ... + 17963159.

It is an arithmetic number, because the mean of its divisors is an integer number (8215229736).

Almost surely, 2131230110342 is an apocalyptic number.

131230110342 is an abundant number, since it is smaller than the sum of its proper divisors (131657241210).

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

131230110342 is a wasteful number, since it uses less digits than its factorization.

131230110342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11772.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131230110342 its reverse (243011032131), we get a palindrome (374241142473).

The spelling of 131230110342 in words is "one hundred thirty-one billion, two hundred thirty million, one hundred ten thousand, three hundred forty-two".

Divisors: 1 2 3 6 823 1646 2469 3637 4938 7274 7307 10911 14614 21822 21921 43842 2993251 5986502 6013661 8979753 12027322 17959506 18040983 26575559 36081966 53151118 79726677 159453354 21871685057 43743370114 65615055171 131230110342