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131033342142 = 2341393158061
BaseRepresentation
bin111101000001000110…
…0100010000010111110
3110112012221100110120000
41322002030202002332
54121324013422032
6140110151135130
712316062013443
oct1720214420276
9415187313500
10131033342142
11506309a63aa
122148a9744a6
13c482cb6ca1
1464b08159ca
15361d92de7c
hex1e823220be

131033342142 has 40 divisors (see below), whose sum is σ = 293637881592. Its totient is φ = 43673893200.

The previous prime is 131033342131. The next prime is 131033342189. The reversal of 131033342142 is 241243330131.

It is a happy number.

131033342142 is a `hidden beast` number, since 1 + 310 + 3 + 3 + 342 + 1 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2227792 + ... + 2285852.

Almost surely, 2131033342142 is an apocalyptic number.

131033342142 is an abundant number, since it is smaller than the sum of its proper divisors (162604539450).

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

131033342142 is a wasteful number, since it uses less digits than its factorization.

131033342142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72006 (or 71997 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 131033342142 its reverse (241243330131), we get a palindrome (372276672273).

The spelling of 131033342142 in words is "one hundred thirty-one billion, thirty-three million, three hundred forty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 13931 27862 41793 58061 83586 116122 125379 174183 250758 348366 376137 522549 752274 1045098 1128411 1567647 2256822 3135294 4702941 9405882 808847791 1617695582 2426543373 4853086746 7279630119 14559260238 21838890357 43677780714 65516671071 131033342142