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131300111323 = 4353397145121
BaseRepresentation
bin111101001001000011…
…0001011001111011011
3110112220112022202002001
41322102012023033123
54122400312030243
6140152441021431
712325511350243
oct1722206131733
9415815282061
10131300111323
1150758542aa7
1221544184877
13c4c634b384
1464d8018b23
153637076a4d
hex1e9218b3db

131300111323 has 16 divisors (see below), whose sum is σ = 137234329056. Its totient is φ = 125509063680.

The previous prime is 131300111297. The next prime is 131300111407. The reversal of 131300111323 is 323111003131.

It is a cyclic number.

It is not a de Polignac number, because 131300111323 - 213 = 131300103131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131300111323.

It is not an unprimeable number, because it can be changed into a prime (131300111023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832203 + ... + 977323.

It is an arithmetic number, because the mean of its divisors is an integer number (8577145566).

Almost surely, 2131300111323 is an apocalyptic number.

131300111323 is a deficient number, since it is larger than the sum of its proper divisors (5934217733).

131300111323 is a wasteful number, since it uses less digits than its factorization.

131300111323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145614.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131300111323 its reverse (323111003131), we get a palindrome (454411114454).

The spelling of 131300111323 in words is "one hundred thirty-one billion, three hundred million, one hundred eleven thousand, three hundred twenty-three".

Divisors: 1 43 53 397 2279 17071 21041 145121 904763 6240203 7691413 57613037 330730759 2477360591 3053490961 131300111323