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1131214343 = 7419137181
BaseRepresentation
bin100001101101100…
…1111011000000111
32220211120122100112
41003123033120013
54304042324333
6304125503235
740014110000
oct10333173007
92824518315
101131214343
115305a5096
12276a11b1b
1315048c5cc
14aa3461a7
156949e948
hex436cf607

1131214343 has 40 divisors (see below), whose sum is σ = 1406998320. Its totient is φ = 906837120.

The previous prime is 1131214327. The next prime is 1131214349. The reversal of 1131214343 is 3434121311.

It is not a de Polignac number, because 1131214343 - 24 = 1131214327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131214349) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6249713 + ... + 6249893.

It is an arithmetic number, because the mean of its divisors is an integer number (35174958).

Almost surely, 21131214343 is an apocalyptic number.

1131214343 is a deficient number, since it is larger than the sum of its proper divisors (275783977).

1131214343 is an equidigital number, since it uses as much as digits as its factorization.

1131214343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 344 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 1131214343 is about 33633.5300407198. The cubic root of 1131214343 is about 1041.9534116730.

Adding to 1131214343 its reverse (3434121311), we get a palindrome (4565335654).

The spelling of 1131214343 in words is "one billion, one hundred thirty-one million, two hundred fourteen thousand, three hundred forty-three".

Divisors: 1 7 19 49 133 137 181 343 931 959 1267 2401 2603 3439 6517 6713 8869 18221 24073 24797 45619 46991 62083 127547 168511 173579 328937 434581 471143 892829 1179577 1215053 3298001 6249803 8257039 8505371 23086007 59537597 161602049 1131214343