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131044130312142 = 23113193280428189
BaseRepresentation
bin11101110010111100010110…
…110101100100111111001110
3122011222200210202101211212010
4131302330112311210333032
5114134011334324442032
61142412501542122050
736413424466005615
oct3562742665447716
9564880722354763
10131044130312142
113883355a27a873
1212845292120326
13581754051c558
1424507d956887c
151023b5a20cccc
hex772f16d64fce

131044130312142 has 16 divisors (see below), whose sum is σ = 264407625763920. Its totient is φ = 43294815914112.

The previous prime is 131044130312141. The next prime is 131044130312153. The reversal of 131044130312142 is 241213031440131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131044130312141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96640213417 + ... + 96640214772.

It is an arithmetic number, because the mean of its divisors is an integer number (16525476610245).

Almost surely, 2131044130312142 is an apocalyptic number.

131044130312142 is an abundant number, since it is smaller than the sum of its proper divisors (133363495451778).

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

131044130312142 is a wasteful number, since it uses less digits than its factorization.

131044130312142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193280428307.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 131044130312142 its reverse (241213031440131), we get a palindrome (372257161752273).

The spelling of 131044130312142 in words is "one hundred thirty-one trillion, forty-four billion, one hundred thirty million, three hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 3 6 113 226 339 678 193280428189 386560856378 579841284567 1159682569134 21840688385357 43681376770714 65522065156071 131044130312142