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11303144131 = 43262863817
BaseRepresentation
bin10101000011011100…
…00100101011000011
31002011201212012210211
422201232010223003
5141122101103011
65105333334551
7550050065656
oct124156045303
932151765724
1011303144131
11488036a534
122235497457
1310b1986586
1479326189d
154624beb21
hex2a1b84ac3

11303144131 has 4 divisors (see below), whose sum is σ = 11566007992. Its totient is φ = 11040280272.

The previous prime is 11303144117. The next prime is 11303144179. The reversal of 11303144131 is 13144130311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11303144131 - 211 = 11303142083 is a prime.

It is a super-2 number, since 2×113031441312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11303144101) 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, 131431866 + ... + 131431951.

It is an arithmetic number, because the mean of its divisors is an integer number (2891501998).

Almost surely, 211303144131 is an apocalyptic number.

11303144131 is a deficient number, since it is larger than the sum of its proper divisors (262863861).

11303144131 is an equidigital number, since it uses as much as digits as its factorization.

11303144131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262863860.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11303144131 its reverse (13144130311), we get a palindrome (24447274442).

The spelling of 11303144131 in words is "eleven billion, three hundred three million, one hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 43 262863817 11303144131