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531032111332 = 227352115592239
BaseRepresentation
bin1111011101000111111…
…10101111100011100100
31212202200112121022012021
413232203332233203210
532200023210030312
61043541445032524
753236320320212
oct7564376574344
91782615538167
10531032111332
11195233867aa8
1286b016b5744
133b0cb2b4028
141b9b8777cb2
15dc30182c07
hex7ba3faf8e4

531032111332 has 48 divisors (see below), whose sum is σ = 944871782400. Its totient is φ = 261091883520.

The previous prime is 531032111327. The next prime is 531032111333. The reversal of 531032111332 is 233111230135.

It is a junction number, because it is equal to n+sod(n) for n = 531032111297 and 531032111306.

It is not an unprimeable number, because it can be changed into a prime (531032111333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237172669 + ... + 237174907.

It is an arithmetic number, because the mean of its divisors is an integer number (19684828800).

Almost surely, 2531032111332 is an apocalyptic number.

It is an amenable number.

531032111332 is a deficient number, since it is larger than the sum of its proper divisors (413839671068).

531032111332 is a wasteful number, since it uses less digits than its factorization.

531032111332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396 (or 4394 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 531032111332 its reverse (233111230135), we get a palindrome (764143341467).

The spelling of 531032111332 in words is "five hundred thirty-one billion, thirty-two million, one hundred eleven thousand, three hundred thirty-two".

Divisors: 1 2 4 73 146 292 521 1042 1559 2084 2239 3118 4478 6236 8956 38033 76066 113807 152132 163447 227614 326894 455228 653788 812239 1166519 1624478 2333038 3248956 3490601 4666076 6981202 13962404 59293447 85155887 118586894 170311774 237173788 254813873 340623548 509627746 1019255492 1818603121 3637206242 7274412484 132758027833 265516055666 531032111332