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131044434342 = 2329753128933
BaseRepresentation
bin111101000001011011…
…0110110000110100110
3110112020201020000012020
41322002312312012212
54121334333344332
6140111225004010
712316255212303
oct1720266660646
9415221200166
10131044434342
1150637192108
1221492623606
13c48539ba13
1464b20a20aa
15361e8c082c
hex1e82db61a6

131044434342 has 16 divisors (see below), whose sum is σ = 271126416240. Its totient is φ = 42175220192.

The previous prime is 131044434319. The next prime is 131044434361. The reversal of 131044434342 is 243434440131.

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 7 ways as a sum of consecutive naturals, for example, 376564293 + ... + 376564640.

It is an arithmetic number, because the mean of its divisors is an integer number (16945401015).

Almost surely, 2131044434342 is an apocalyptic number.

131044434342 is an abundant number, since it is smaller than the sum of its proper divisors (140081981898).

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

131044434342 is a wasteful number, since it uses less digits than its factorization.

131044434342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753128967.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 131044434342 its reverse (243434440131), we get a palindrome (374478874473).

The spelling of 131044434342 in words is "one hundred thirty-one billion, forty-four million, four hundred thirty-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 29 58 87 174 753128933 1506257866 2259386799 4518773598 21840739057 43681478114 65522217171 131044434342