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131210320133 = 4727110301509
BaseRepresentation
bin111101000110010111…
…1101001100100000101
3110112200021100212201102
41322030233221210011
54122204320221013
6140135512305445
712323341214324
oct1721457514405
9415607325642
10131210320133
1150711894602
122151a0a2285
13c4b08704a9
1464ca1240bb
15362e23bd58
hex1e8cbe9905

131210320133 has 8 divisors (see below), whose sum is σ = 134496514560. Its totient is φ = 127944729360.

The previous prime is 131210320103. The next prime is 131210320169. The reversal of 131210320133 is 331023012131.

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 131210320133 - 218 = 131210057989 is a prime.

It is a super-2 number, since 2×1312103201332 (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 (131210320103) 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 7 ways as a sum of consecutive naturals, for example, 5138018 + ... + 5163491.

It is an arithmetic number, because the mean of its divisors is an integer number (16812064320).

Almost surely, 2131210320133 is an apocalyptic number.

It is an amenable number.

131210320133 is a deficient number, since it is larger than the sum of its proper divisors (3286194427).

131210320133 is a wasteful number, since it uses less digits than its factorization.

131210320133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10301827.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131210320133 its reverse (331023012131), we get a palindrome (462233332264).

The spelling of 131210320133 in words is "one hundred thirty-one billion, two hundred ten million, three hundred twenty thousand, one hundred thirty-three".

Divisors: 1 47 271 12737 10301509 484170923 2791708939 131210320133