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131024423041 = 283462983827
BaseRepresentation
bin111101000000110101…
…0100000100010000001
3110112012022120022211221
41322001222200202001
54121314223014131
6140105232035041
712315623135311
oct1720152404201
9415168508757
10131024423041
1150626964346
1221487992a81
13c4811b3405
1464ad573441
15361cc6b411
hex1e81aa0881

131024423041 has 4 divisors (see below), whose sum is σ = 131487407152. Its totient is φ = 130561438932.

The previous prime is 131024423029. The next prime is 131024423077. The reversal of 131024423041 is 140324420131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131024423041 - 223 = 131016034433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131024422997 and 131024423015.

It is not an unprimeable number, because it can be changed into a prime (131024423741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231491631 + ... + 231492196.

It is an arithmetic number, because the mean of its divisors is an integer number (32871851788).

Almost surely, 2131024423041 is an apocalyptic number.

It is an amenable number.

131024423041 is a deficient number, since it is larger than the sum of its proper divisors (462984111).

131024423041 is an equidigital number, since it uses as much as digits as its factorization.

131024423041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462984110.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 131024423041 its reverse (140324420131), we get a palindrome (271348843172).

The spelling of 131024423041 in words is "one hundred thirty-one billion, twenty-four million, four hundred twenty-three thousand, forty-one".

Divisors: 1 283 462983827 131024423041