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13112022220031 = 79072065210619
BaseRepresentation
bin1011111011001110000101…
…1011010011110011111111
31201102111102101001221000202
42332303201123103303333
53204311410142020111
643515325125314115
72522212063640150
oct276634133236377
951374371057022
1013112022220031
1141a5860793729
12157924586593b
137415c610c407
143348a7a09927
1517b119080b3b
hexbece16d3cff

13112022220031 has 8 divisors (see below), whose sum is σ = 15001689943680. Its totient is φ = 11226484919448.

The previous prime is 13112022220013. The next prime is 13112022220049. The reversal of 13112022220031 is 13002222021131.

It is an interprime number because it is at equal distance from previous prime (13112022220013) and next prime (13112022220049).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13112022220031 is a prime.

It is a super-2 number, since 2×131120222200312 (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 = 13112022219985 and 13112022220012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112022220081) 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, 1032598961 + ... + 1032611658.

It is an arithmetic number, because the mean of its divisors is an integer number (1875211242960).

Almost surely, 213112022220031 is an apocalyptic number.

13112022220031 is a deficient number, since it is larger than the sum of its proper divisors (1889667723649).

13112022220031 is an equidigital number, since it uses as much as digits as its factorization.

13112022220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065211533.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13112022220031 its reverse (13002222021131), we get a palindrome (26114244241162).

The spelling of 13112022220031 in words is "thirteen trillion, one hundred twelve billion, twenty-two million, two hundred twenty thousand, thirty-one".

Divisors: 1 7 907 6349 2065210619 14456474333 1873146031433 13112022220031