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131210330303 = 133791933917
BaseRepresentation
bin111101000110010111…
…1101100000010111111
3110112200021101101200002
41322030233230002333
54122204321032203
6140135512424515
712323341256063
oct1721457540277
9415607341602
10131210330303
11507118a1208
122151a0a813b
13c4b0875000
1464ca127aa3
15362e23ed88
hex1e8cbec0bf

131210330303 has 32 divisors (see below), whose sum is σ = 144721516800. Its totient is φ = 118934120448.

The previous prime is 131210330297. The next prime is 131210330347. The reversal of 131210330303 is 303033012131.

It is not a de Polignac number, because 131210330303 - 220 = 131209281727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131210330353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33495701 + ... + 33499617.

It is an arithmetic number, because the mean of its divisors is an integer number (4522547400).

Almost surely, 2131210330303 is an apocalyptic number.

131210330303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131210330303 is a deficient number, since it is larger than the sum of its proper divisors (13511186497).

131210330303 is an equidigital number, since it uses as much as digits as its factorization.

131210330303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228 (or 4202 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 131210330303 its reverse (303033012131), we get a palindrome (434243342434).

The spelling of 131210330303 in words is "one hundred thirty-one billion, two hundred ten million, three hundred thirty thousand, three hundred three".

Divisors: 1 13 79 169 193 1027 2197 2509 3917 13351 15247 32617 50921 173563 198211 309443 424021 661973 755981 2576743 4022759 8605649 9827753 33497659 52295867 59722499 127760789 679846271 776392487 1660890257 10093102331 131210330303