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1131000325 = 52713613811
BaseRepresentation
bin100001101101001…
…1011001000000101
32220211011202202221
41003122123020011
54304014002300
6304121132341
740012226020
oct10332331005
92824152687
101131000325
11530469314
1227692a0b1
13150416080
14aa2cc1b7
156945b31a
hex4369b205

1131000325 has 48 divisors (see below), whose sum is σ = 1731028096. Its totient is φ = 713836800.

The previous prime is 1131000317. The next prime is 1131000347. The reversal of 1131000325 is 5230001311.

It is not a de Polignac number, because 1131000325 - 23 = 1131000317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131000299 and 1131000308.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1394170 + ... + 1394980.

Almost surely, 21131000325 is an apocalyptic number.

It is an amenable number.

1131000325 is a deficient number, since it is larger than the sum of its proper divisors (600027771).

1131000325 is a wasteful number, since it uses less digits than its factorization.

1131000325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1131000325 is about 33630.3482735460. The cubic root of 1131000325 is about 1041.8876973807.

Adding to 1131000325 its reverse (5230001311), we get a palindrome (6361001636).

The spelling of 1131000325 in words is "one billion, one hundred thirty-one million, three hundred twenty-five", and thus it is an aban number.

Divisors: 1 5 7 13 25 35 65 91 175 325 455 613 811 2275 3065 4055 4291 5677 7969 10543 15325 20275 21455 28385 39845 52715 55783 73801 107275 141925 199225 263575 278915 369005 497143 1394575 1845025 2485715 3480001 6462859 12428575 17400005 32314295 45240013 87000025 161571475 226200065 1131000325