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131203013112243 = 334859370856009
BaseRepresentation
bin11101110101010000010100…
…111111010111000110110011
3122012112212220120102100201000
4131311100110333113012303
5114144112232324042433
61143013455424013043
736431050655351352
oct3565202477270663
9565485816370630
10131203013112243
11388949814a0126
1212870033761183
135829511195737
14245838c943999
151027d58a68113
hex775414fd71b3

131203013112243 has 8 divisors (see below), whose sum is σ = 194374834240400. Its totient is φ = 87468675408144.

The previous prime is 131203013112203. The next prime is 131203013112277. The reversal of 131203013112243 is 342211310302131.

131203013112243 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 0 + 301 + 3 + 112 + 243 = 666.

It is not a de Polignac number, because 131203013112243 - 220 = 131203012063667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4859370856009 = 131203013112243 / (1 + 3 + 1 + 2 + 0 + 3 + 0 + 1 + 3 + 1 + 1 + 2 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131203013112203) 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, 2429685427978 + ... + 2429685428031.

It is an arithmetic number, because the mean of its divisors is an integer number (24296854280050).

Almost surely, 2131203013112243 is an apocalyptic number.

131203013112243 is a deficient number, since it is larger than the sum of its proper divisors (63171821128157).

131203013112243 is an equidigital number, since it uses as much as digits as its factorization.

131203013112243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859370856018 (or 4859370856012 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 131203013112243 its reverse (342211310302131), we get a palindrome (473414323414374).

The spelling of 131203013112243 in words is "one hundred thirty-one trillion, two hundred three billion, thirteen million, one hundred twelve thousand, two hundred forty-three".

Divisors: 1 3 9 27 4859370856009 14578112568027 43734337704081 131203013112243