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131132122103 = 196901690637
BaseRepresentation
bin111101000100000010…
…1010110001111110111
3110112110211020000012002
41322020011112033313
54122024310401403
6140124040245515
712321401434613
oct1721005261767
9415424200162
10131132122103
1150681734234
12214b7a7089b
13c49a5c1378
1464bd9aa343
153627442188
hex1e881563f7

131132122103 has 4 divisors (see below), whose sum is σ = 138033812760. Its totient is φ = 124230431448.

The previous prime is 131132121959. The next prime is 131132122109. The reversal of 131132122103 is 301221231131.

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 131132122103 - 214 = 131132105719 is a prime.

It is a super-2 number, since 2×1311321221032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131132122109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3450845300 + ... + 3450845337.

It is an arithmetic number, because the mean of its divisors is an integer number (34508453190).

Almost surely, 2131132122103 is an apocalyptic number.

131132122103 is a deficient number, since it is larger than the sum of its proper divisors (6901690657).

131132122103 is an equidigital number, since it uses as much as digits as its factorization.

131132122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6901690656.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131132122103 its reverse (301221231131), we get a palindrome (432353353234).

The spelling of 131132122103 in words is "one hundred thirty-one billion, one hundred thirty-two million, one hundred twenty-two thousand, one hundred three".

Divisors: 1 19 6901690637 131132122103