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131103210011 = 612149232951
BaseRepresentation
bin111101000011001011…
…1000011101000011011
3110112101210211010020212
41322012113003220123
54121444410210021
6140121124441335
712320600620034
oct1720627035033
9415353733225
10131103210011
1150667387144
12214aa24924b
13c49460a617
1464b9c01a8b
153624b3085b
hex1e865c3a1b

131103210011 has 4 divisors (see below), whose sum is σ = 133252443024. Its totient is φ = 128953977000.

The previous prime is 131103209989. The next prime is 131103210013. The reversal of 131103210011 is 110012301131.

It is a happy number.

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 131103210011 - 210 = 131103208987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131103210013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074616415 + ... + 1074616536.

It is an arithmetic number, because the mean of its divisors is an integer number (33313110756).

Almost surely, 2131103210011 is an apocalyptic number.

131103210011 is a deficient number, since it is larger than the sum of its proper divisors (2149233013).

131103210011 is an equidigital number, since it uses as much as digits as its factorization.

131103210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149233012.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 131103210011 its reverse (110012301131), we get a palindrome (241115511142).

The spelling of 131103210011 in words is "one hundred thirty-one billion, one hundred three million, two hundred ten thousand, eleven".

Divisors: 1 61 2149232951 131103210011