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12113313231101 = 72716662053963
BaseRepresentation
bin1011000001000101100110…
…1110110111000011111101
31120220000120121220122210112
42300101121232313003331
53041431031141343401
641432440153515405
72360105123412605
oct260213156670375
946800517818715
1012113313231101
113950255586535
121437784112b65
1369b385452264
142dc404c23c05
15160165d313bb
hexb0459bb70fd

12113313231101 has 4 divisors (see below), whose sum is σ = 12129975285792. Its totient is φ = 12096651176412.

The previous prime is 12113313231083. The next prime is 12113313231121. The reversal of 12113313231101 is 10113231331121.

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-12113313231101 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 (12113313231121) 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, 8331026255 + ... + 8331027708.

It is an arithmetic number, because the mean of its divisors is an integer number (3032493821448).

Almost surely, 212113313231101 is an apocalyptic number.

It is an amenable number.

12113313231101 is a deficient number, since it is larger than the sum of its proper divisors (16662054691).

12113313231101 is an equidigital number, since it uses as much as digits as its factorization.

12113313231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16662054690.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 12113313231101 its reverse (10113231331121), we get a palindrome (22226544562222).

The spelling of 12113313231101 in words is "twelve trillion, one hundred thirteen billion, three hundred thirteen million, two hundred thirty-one thousand, one hundred one".

Divisors: 1 727 16662053963 12113313231101