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13112022231031 = 26715011979651
BaseRepresentation
bin1011111011001110000101…
…1011010110011111110111
31201102111102101002111010011
42332303201123112133313
53204311410142343111
643515325125441051
72522212064014213
oct276634133263767
951374371074104
1013112022231031
1141a58607a0a19
121579245870187
137415c6114419
143348a7a0d943
1517b119084021
hexbece16d67f7

13112022231031 has 8 divisors (see below), whose sum is σ = 13119562281728. Its totient is φ = 13104484155000.

The previous prime is 13112022230999. The next prime is 13112022231059. The reversal of 13112022231031 is 13013222021131.

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 13112022231031 - 25 = 13112022230999 is a prime.

It is a super-2 number, since 2×131120222310312 (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 = 13112022230993 and 13112022231011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112022231331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12894556 + ... + 13874206.

It is an arithmetic number, because the mean of its divisors is an integer number (1639945285216).

Almost surely, 213112022231031 is an apocalyptic number.

13112022231031 is a deficient number, since it is larger than the sum of its proper divisors (7540050697).

13112022231031 is an equidigital number, since it uses as much as digits as its factorization.

13112022231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987333.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13112022231031 its reverse (13013222021131), we get a palindrome (26125244252162).

The spelling of 13112022231031 in words is "thirteen trillion, one hundred twelve billion, twenty-two million, two hundred thirty-one thousand, thirty-one".

Divisors: 1 2671 5011 979651 13384381 2616647821 4909031161 13112022231031