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11310130131221 = 83136266628087
BaseRepresentation
bin1010010010010101100001…
…0010011111000100010101
31111001020102102012200122202
42210211120102133010111
52440301121303144341
640015445124334245
72245062365616155
oct244453022370425
944036372180582
1011310130131221
113670665671789
121327b8b844385
13640704ba353c
142b15adc32765
1514930837d79b
hexa495849f115

11310130131221 has 4 divisors (see below), whose sum is σ = 11446396759392. Its totient is φ = 11173863503052.

The previous prime is 11310130131211. The next prime is 11310130131341. The reversal of 11310130131221 is 12213103101311.

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 a de Polignac number, because none of the positive numbers 2k-11310130131221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11310130131193 and 11310130131202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11310130131211) 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 3 ways as a sum of consecutive naturals, for example, 68133313961 + ... + 68133314126.

It is an arithmetic number, because the mean of its divisors is an integer number (2861599189848).

Almost surely, 211310130131221 is an apocalyptic number.

It is an amenable number.

11310130131221 is a deficient number, since it is larger than the sum of its proper divisors (136266628171).

11310130131221 is an equidigital number, since it uses as much as digits as its factorization.

11310130131221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136266628170.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11310130131221 its reverse (12213103101311), we get a palindrome (23523233232532).

The spelling of 11310130131221 in words is "eleven trillion, three hundred ten billion, one hundred thirty million, one hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 83 136266628087 11310130131221