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2120213131131 = 32549277260773
BaseRepresentation
bin11110110110100110100…
…011001110111101111011
321111200122022001122102010
4132312212203032331323
5234214144030144011
64302002405341003
7306115600155024
oct36664643167573
97450568048363
102120213131131
117481a5047537
122a2ab3107763
13124c20952824
1474894235c4b
153a241a331a6
hex1eda68cef7b

2120213131131 has 8 divisors (see below), whose sum is σ = 2828059894800. Its totient is φ = 1412920894112.

The previous prime is 2120213131123. The next prime is 2120213131147. The reversal of 2120213131131 is 1311313120212.

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 2120213131131 - 23 = 2120213131123 is a prime.

It is a super-3 number, since 3×21202131311313 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2120213131098 and 2120213131107.

It is not an unprimeable number, because it can be changed into a prime (2120213131121) 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, 138622740 + ... + 138638033.

It is an arithmetic number, because the mean of its divisors is an integer number (353507486850).

Almost surely, 22120213131131 is an apocalyptic number.

2120213131131 is a deficient number, since it is larger than the sum of its proper divisors (707846763669).

2120213131131 is a wasteful number, since it uses less digits than its factorization.

2120213131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277263325.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2120213131131 its reverse (1311313120212), we get a palindrome (3431526251343).

The spelling of 2120213131131 in words is "two trillion, one hundred twenty billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 3 2549 7647 277260773 831782319 706737710377 2120213131131