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13124231044031 = 19995369203473
BaseRepresentation
bin1011111011111011100100…
…1000010001101110111111
31201110122221020010110001102
42332332321020101232333
53210011411121402111
643525104415003315
72523123452142212
oct276767110215677
951418836113042
1013124231044031
1141aaa56304918
12157b69250953b
137427c05ca723
14335305265779
1517b5d0d0013b
hexbefb9211bbf

13124231044031 has 8 divisors (see below), whose sum is σ = 13204022839200. Its totient is φ = 13044577658112.

The previous prime is 13124231044009. The next prime is 13124231044087. The reversal of 13124231044031 is 13044013242131.

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 13124231044031 - 238 = 12849353137087 is a prime.

It is a super-2 number, since 2×131242310440312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13124231043985 and 13124231044003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124231044931) 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, 34412090 + ... + 34791383.

It is an arithmetic number, because the mean of its divisors is an integer number (1650502854900).

Almost surely, 213124231044031 is an apocalyptic number.

13124231044031 is a deficient number, since it is larger than the sum of its proper divisors (79791795169).

13124231044031 is an equidigital number, since it uses as much as digits as its factorization.

13124231044031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69204625.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 13124231044031 its reverse (13044013242131), we get a palindrome (26168244286162).

The spelling of 13124231044031 in words is "thirteen trillion, one hundred twenty-four billion, two hundred thirty-one million, forty-four thousand, thirty-one".

Divisors: 1 199 953 189647 69203473 13771491127 65950909769 13124231044031