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131142120441 = 3398291097543
BaseRepresentation
bin111101000100010101…
…1011111001111111001
3110112111112000222022220
41322020223133033321
54122034340323231
6140125034434253
712321552426363
oct1721053371771
9415445028286
10131142120441
1150687343122
12214bb292989
13c49c6b2247
1464c104dd33
153628269896
hex1e88adf3f9

131142120441 has 8 divisors (see below), whose sum is σ = 174860710080. Its totient is φ = 87425805552.

The previous prime is 131142120413. The next prime is 131142120451. The reversal of 131142120441 is 144021241131.

It is a happy number.

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

It is not a de Polignac number, because 131142120441 - 215 = 131142087673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131142120451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429285 + ... + 668258.

It is an arithmetic number, because the mean of its divisors is an integer number (21857588760).

Almost surely, 2131142120441 is an apocalyptic number.

It is an amenable number.

131142120441 is a deficient number, since it is larger than the sum of its proper divisors (43718589639).

131142120441 is a wasteful number, since it uses less digits than its factorization.

131142120441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137375.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 131142120441 its reverse (144021241131), we get a palindrome (275163361572).

The spelling of 131142120441 in words is "one hundred thirty-one billion, one hundred forty-two million, one hundred twenty thousand, four hundred forty-one".

Divisors: 1 3 39829 119487 1097543 3292629 43714040147 131142120441