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131201433021342 = 2321866905503557
BaseRepresentation
bin11101110101001110110110…
…110011110010101110011110
3122012112201211110012102110210
4131311032312303302232132
5114144101013323140332
61143013034541113250
736430663550661345
oct3565166663625636
9565481743172423
10131201433021342
1138894240587482
121286b872558826
13582931ba108c8
14245827cb52b5c
151027cb4e9cecc
hex7753b6cf2b9e

131201433021342 has 8 divisors (see below), whose sum is σ = 262402866042696. Its totient is φ = 43733811007112.

The previous prime is 131201433021331. The next prime is 131201433021431. The reversal of 131201433021342 is 243120334102131.

It is a sphenic number, since it is the product of 3 distinct primes.

131201433021342 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10933452751773 + ... + 10933452751784.

It is an arithmetic number, because the mean of its divisors is an integer number (32800358255337).

Almost surely, 2131201433021342 is an apocalyptic number.

131201433021342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131201433021342 is a wasteful number, since it uses less digits than its factorization.

131201433021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21866905503562.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 131201433021342 its reverse (243120334102131), we get a palindrome (374321767123473).

The spelling of 131201433021342 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred thirty-three million, twenty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 21866905503557 43733811007114 65600716510671 131201433021342