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11031332131 = 18236051197
BaseRepresentation
bin10100100011000010…
…01100010100100011
31001110210101201211201
422101201030110203
5140043010112011
65022343422031
7540236530111
oct122141142443
931423351751
1011031332131
114750999116
12217a454917
13106a577a81
14769108ab1
154486cccc1
hex29184c523

11031332131 has 4 divisors (see below), whose sum is σ = 11037385152. Its totient is φ = 11025279112.

The previous prime is 11031332119. The next prime is 11031332153. The reversal of 11031332131 is 13123313011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13123313011 = 56923063819.

It is a cyclic number.

It is not a de Polignac number, because 11031332131 - 25 = 11031332099 is a prime.

It is a super-2 number, since 2×110313321312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11031332099 and 11031332108.

It is not an unprimeable number, because it can be changed into a prime (11031332831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023776 + ... + 3027421.

It is an arithmetic number, because the mean of its divisors is an integer number (2759346288).

Almost surely, 211031332131 is an apocalyptic number.

11031332131 is a deficient number, since it is larger than the sum of its proper divisors (6053021).

11031332131 is an equidigital number, since it uses as much as digits as its factorization.

11031332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6053020.

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

Adding to 11031332131 its reverse (13123313011), we get a palindrome (24154645142).

The spelling of 11031332131 in words is "eleven billion, thirty-one million, three hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 1823 6051197 11031332131