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131131212302002 = 21126922158028439
BaseRepresentation
bin11101110100001101011101…
…010101000000011010110010
3122012022000120122112021120211
4131310031131111000122302
5114141423210322131002
61142520503003254334
736422626453501153
oct3564153525003262
9565260518467524
10131131212302002
1138867486840730
121285a13581a3aa
13582280a9362c3
142454adaac392a
1510260552dddd7
hex77435d5406b2

131131212302002 has 16 divisors (see below), whose sum is σ = 215376036436800. Its totient is φ = 59383516213840.

The previous prime is 131131212301997. The next prime is 131131212302143. The reversal of 131131212302002 is 200203212131131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11079008302 + ... + 11079020137.

It is an arithmetic number, because the mean of its divisors is an integer number (13461002277300).

Almost surely, 2131131212302002 is an apocalyptic number.

131131212302002 is a deficient number, since it is larger than the sum of its proper divisors (84244824134798).

131131212302002 is a wasteful number, since it uses less digits than its factorization.

131131212302002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22158028721.

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

Adding to 131131212302002 its reverse (200203212131131), we get a palindrome (331334424433133).

The spelling of 131131212302002 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, two hundred twelve million, three hundred two thousand, two".

Divisors: 1 2 11 22 269 538 2959 5918 22158028439 44316056878 243738312829 487476625658 5960509650091 11921019300182 65565606151001 131131212302002