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11301303231 = 321773864727
BaseRepresentation
bin10101000011001110…
…00011001110111111
31002011121101200120100
422201213003032333
5141121113200411
65105230052143
7550025330631
oct124147031677
932147350510
1011301303231
11487a322429
12223494a053
1310b149069a
14792d02a51
15462259456
hex2a19c33bf

11301303231 has 12 divisors (see below), whose sum is σ = 17284346352. Its totient is φ = 7091013696.

The previous prime is 11301303203. The next prime is 11301303313. The reversal of 11301303231 is 13230310311.

It is a happy number.

11301303231 is a `hidden beast` number, since 1 + 130 + 1 + 303 + 231 = 666.

It is not a de Polignac number, because 11301303231 - 214 = 11301286847 is a prime.

It is a super-2 number, since 2×113013032312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301303131) 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 11 ways as a sum of consecutive naturals, for example, 36932211 + ... + 36932516.

It is an arithmetic number, because the mean of its divisors is an integer number (1440362196).

Almost surely, 211301303231 is an apocalyptic number.

11301303231 is a deficient number, since it is larger than the sum of its proper divisors (5983043121).

11301303231 is a wasteful number, since it uses less digits than its factorization.

11301303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73864750 (or 73864747 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11301303231 its reverse (13230310311), we get a palindrome (24531613542).

The spelling of 11301303231 in words is "eleven billion, three hundred one million, three hundred three thousand, two hundred thirty-one".

Divisors: 1 3 9 17 51 153 73864727 221594181 664782543 1255700359 3767101077 11301303231