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131323003013201 = 239818154759421
BaseRepresentation
bin11101110111000000000100…
…111100100000100001010001
3122012222100121212120212220212
4131313000010330200201101
5114203044002232410301
61143144542120013505
736442526302602446
oct3567000474404121
9565870555525825
10131323003013201
113893085568772a
121288b340001295
13583792425512c
1424600d27bb9cd
15102b02cbc64bb
hex777004f20851

131323003013201 has 4 divisors (see below), whose sum is σ = 131323060170804. Its totient is φ = 131322945855600.

The previous prime is 131323003013197. The next prime is 131323003013239. The reversal of 131323003013201 is 102310300323131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3402401593600 + 127920601419601 = 1844560^2 + 11310199^2 .

It is a cyclic number.

It is not a de Polignac number, because 131323003013201 - 22 = 131323003013197 is a prime.

It is a super-2 number, since 2×1313230030132012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131323003015201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24981530 + ... + 29777891.

It is an arithmetic number, because the mean of its divisors is an integer number (32830765042701).

Almost surely, 2131323003013201 is an apocalyptic number.

It is an amenable number.

131323003013201 is a deficient number, since it is larger than the sum of its proper divisors (57157603).

131323003013201 is an equidigital number, since it uses as much as digits as its factorization.

131323003013201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57157602.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 131323003013201 its reverse (102310300323131), we get a palindrome (233633303336332).

The spelling of 131323003013201 in words is "one hundred thirty-one trillion, three hundred twenty-three billion, three million, thirteen thousand, two hundred one".

Divisors: 1 2398181 54759421 131323003013201