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210131203310011 = 1091927809204679
BaseRepresentation
bin101111110001110011111011…
…101110101100000110111011
31000120000100100212001001001001
4233301303323232230012323
5210020242201021410021
62022524535300505431
762155323051501664
oct5761637356540673
91016010325031031
10210131203310011
1160a55163183085
121b698a029ab277
1390333976a1b89
1439c6593d7036b
151945edc7d7091
hexbf1cfbbac1bb

210131203310011 has 4 divisors (see below), whose sum is σ = 212059012514800. Its totient is φ = 208203394105224.

The previous prime is 210131203310003. The next prime is 210131203310047. The reversal of 210131203310011 is 110013302131012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210131203310011 - 23 = 210131203310003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210131203313011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963904602231 + ... + 963904602448.

It is an arithmetic number, because the mean of its divisors is an integer number (53014753128700).

Almost surely, 2210131203310011 is an apocalyptic number.

210131203310011 is a deficient number, since it is larger than the sum of its proper divisors (1927809204789).

210131203310011 is a wasteful number, since it uses less digits than its factorization.

210131203310011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927809204788.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 210131203310011 its reverse (110013302131012), we get a palindrome (320144505441023).

The spelling of 210131203310011 in words is "two hundred ten trillion, one hundred thirty-one billion, two hundred three million, three hundred ten thousand, eleven".

Divisors: 1 109 1927809204679 210131203310011