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131331202333313 = 179951729816463
BaseRepresentation
bin11101110111000111101101…
…101010011011101010000001
3122020000010210022001111121112
4131313013231222123222001
5114203212300244131223
61143152415455533105
736443236423636013
oct3567075552335201
9566003708044545
10131331202333313
1138934282a13244
1212890a49b2a195
13583862cb74c38
14246066d72c1b3
15102b35c944778
hex7771eda9ba81

131331202333313 has 4 divisors (see below), whose sum is σ = 131331932329728. Its totient is φ = 131330472336900.

The previous prime is 131331202333291. The next prime is 131331202333333. The reversal of 131331202333313 is 313333202133131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131331202333313 - 244 = 113739016288897 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 131331202333313.

It is not an unprimeable number, because it can be changed into a prime (131331202333333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364728281 + ... + 365088182.

It is an arithmetic number, because the mean of its divisors is an integer number (32832983082432).

Almost surely, 2131331202333313 is an apocalyptic number.

It is an amenable number.

131331202333313 is a deficient number, since it is larger than the sum of its proper divisors (729996415).

131331202333313 is an equidigital number, since it uses as much as digits as its factorization.

131331202333313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729996414.

The product of its (nonzero) digits is 26244, while the sum is 32.

Adding to 131331202333313 its reverse (313333202133131), we get a palindrome (444664404466444).

The spelling of 131331202333313 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, two hundred two million, three hundred thirty-three thousand, three hundred thirteen".

Divisors: 1 179951 729816463 131331202333313