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11221030131 = 397241160001
BaseRepresentation
bin10100111001101001…
…10101010011110011
31001222000100101120120
422130310311103303
5140440040431011
65053241341323
7545032116363
oct123464652363
931860311516
1011221030131
114838a85023
122211a97843
13109a965bcc
147863a89a3
1545a19ea06
hex29cd354f3

11221030131 has 16 divisors (see below), whose sum is σ = 15178429728. Its totient is φ = 7372800000.

The previous prime is 11221030111. The next prime is 11221030151. The reversal of 11221030131 is 13103012211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11221030111) and next prime (11221030151).

It is not a de Polignac number, because 11221030131 - 210 = 11221029107 is a prime.

It is a super-2 number, since 2×112210301312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11221030131.

It is not an unprimeable number, because it can be changed into a prime (11221030111) 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 15 ways as a sum of consecutive naturals, for example, 9870 + ... + 150131.

It is an arithmetic number, because the mean of its divisors is an integer number (948651858).

Almost surely, 211221030131 is an apocalyptic number.

11221030131 is a deficient number, since it is larger than the sum of its proper divisors (3957399597).

11221030131 is a wasteful number, since it uses less digits than its factorization.

11221030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160342.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11221030131 its reverse (13103012211), we get a palindrome (24324042342).

The spelling of 11221030131 in words is "eleven billion, two hundred twenty-one million, thirty thousand, one hundred thirty-one".

Divisors: 1 3 97 241 291 723 23377 70131 160001 480003 15520097 38560241 46560291 115680723 3740343377 11221030131