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131404040224013 = 139945352807367
BaseRepresentation
bin11101111000001011100011…
…001000111011110100001101
3122020021002210111101201200002
4131320023203020323310031
5114210410433244132023
61143250103244414045
736451425420535334
oct3570134310736415
9566232714351602
10131404040224013
1138962160012627
12128a2b97247325
13584246a22524b
142463dbd1ccd1b
15102d1c2276b28
hex7782e323bd0d

131404040224013 has 4 divisors (see below), whose sum is σ = 132349393031520. Its totient is φ = 130458687416508.

The previous prime is 131404040224001. The next prime is 131404040224021. The reversal of 131404040224013 is 310422040404131.

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 131404040224013 - 218 = 131404039961869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131404040224073) 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, 472676403545 + ... + 472676403822.

It is an arithmetic number, because the mean of its divisors is an integer number (33087348257880).

Almost surely, 2131404040224013 is an apocalyptic number.

It is an amenable number.

131404040224013 is a deficient number, since it is larger than the sum of its proper divisors (945352807507).

131404040224013 is an equidigital number, since it uses as much as digits as its factorization.

131404040224013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945352807506.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 131404040224013 its reverse (310422040404131), we get a palindrome (441826080628144).

The spelling of 131404040224013 in words is "one hundred thirty-one trillion, four hundred four billion, forty million, two hundred twenty-four thousand, thirteen".

Divisors: 1 139 945352807367 131404040224013