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131122321133 = 331493780239
BaseRepresentation
bin111101000011101111…
…1111101011011101101
3110112110010210001210012
41322013133331123231
54122014303234013
6140123050223005
712321222224426
oct1720737753355
9415403701705
10131122321133
115067714a661
12214b4724a65
13c49856c28b
1464bc57864d
1536266581a8
hex1e877fd6ed

131122321133 has 8 divisors (see below), whose sum is σ = 131546739840. Its totient is φ = 130698073440.

The previous prime is 131122321111. The next prime is 131122321139. The reversal of 131122321133 is 331123221131.

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 131122321133 - 26 = 131122321069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131122321099 and 131122321108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131122321139) 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, 1594028 + ... + 1674266.

It is an arithmetic number, because the mean of its divisors is an integer number (16443342480).

Almost surely, 2131122321133 is an apocalyptic number.

It is an amenable number.

131122321133 is a deficient number, since it is larger than the sum of its proper divisors (424418707).

131122321133 is an equidigital number, since it uses as much as digits as its factorization.

131122321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85507.

The product of its digits is 648, while the sum is 23.

Adding to 131122321133 its reverse (331123221131), we get a palindrome (462245542264).

The spelling of 131122321133 in words is "one hundred thirty-one billion, one hundred twenty-two million, three hundred twenty-one thousand, one hundred thirty-three".

Divisors: 1 331 4937 80239 1634147 26559109 396139943 131122321133