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131241314441 = 600721848063
BaseRepresentation
bin111101000111010010…
…1111000100010001001
3110112202102200112220202
41322032211320202021
54122240234030231
6140142540501545
712324165523616
oct1721645704211
9415672615822
10131241314441
1150728334036
122152854a8b5
13c4b7102c13
1464d02b150d
153631d105cb
hex1e8e978889

131241314441 has 4 divisors (see below), whose sum is σ = 131263168512. Its totient is φ = 131219460372.

The previous prime is 131241314437. The next prime is 131241314447. The reversal of 131241314441 is 144413142131.

It is a happy number.

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 131241314441 - 22 = 131241314437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131241314447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10918025 + ... + 10930038.

It is an arithmetic number, because the mean of its divisors is an integer number (32815792128).

Almost surely, 2131241314441 is an apocalyptic number.

It is an amenable number.

131241314441 is a deficient number, since it is larger than the sum of its proper divisors (21854071).

131241314441 is an equidigital number, since it uses as much as digits as its factorization.

131241314441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21854070.

The product of its digits is 4608, while the sum is 29.

Adding to 131241314441 its reverse (144413142131), we get a palindrome (275654456572).

The spelling of 131241314441 in words is "one hundred thirty-one billion, two hundred forty-one million, three hundred fourteen thousand, four hundred forty-one".

Divisors: 1 6007 21848063 131241314441