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131231303010013 = 8423141971097423
BaseRepresentation
bin11101110101101010101011…
…001100110000011011011101
3122012122120221010212001211111
4131311222223030300123131
5114200043202032310023
61143034454530422021
736433102011461413
oct3565525314603335
9565576833761744
10131231303010013
11388a59793a1028
1212875609a31911
13582c09c18500b
1424598b3bd72b3
15102896249500d
hex775aab3306dd

131231303010013 has 8 divisors (see below), whose sum is σ = 131256247419648. Its totient is φ = 131206360840464.

The previous prime is 131231303009971. The next prime is 131231303010097. The reversal of 131231303010013 is 310010303132131.

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

It is a cyclic number.

It is not a de Polignac number, because 131231303010013 - 245 = 96046930921181 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 (131231303010413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119032620 + ... + 120130042.

It is an arithmetic number, because the mean of its divisors is an integer number (16407030927456).

Almost surely, 2131231303010013 is an apocalyptic number.

It is an amenable number.

131231303010013 is a deficient number, since it is larger than the sum of its proper divisors (24944409635).

131231303010013 is a wasteful number, since it uses less digits than its factorization.

131231303010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120043.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 131231303010013 its reverse (310010303132131), we get a palindrome (441241606142144).

The spelling of 131231303010013 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, three hundred three million, ten thousand, thirteen".

Divisors: 1 8423 14197 1097423 119581331 9243593929 15580114331 131231303010013